Malicious PDF — malware analysis report

Static analysis result for SHA-256 44c62dcd2c438921…

MALICIOUS

PDF

59.0 KB Created: 2020-08-18 18:14:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 735a80086330e10a9fd9a110e1bdd1b5 SHA-1: 4c69c82c1f127a575b5eaa20b0af0687377deb19 SHA-256: 44c62dcd2c4389215b6b6dc64c8be615308cfa45eb81fb9471d2e991709322c2
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=ba+2nd+year+books+pdf, suggesting a lure to download further content. The presence of a 'Visible LOLBin command execution instruction' heuristic indicates potential for further malicious activity, likely related to fetching and executing payloads from the linked domains.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 6

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=ba+2nd+year+books+pdf In PDF document text
    • http://files.pineapplesupplies.com/uploads/1/3/0/7/130739204/tapipebi.pdfIn PDF document text
    • http://files.cesarzamudio.com/uploads/1/3/1/3/131383838/8424967.pdfIn PDF document text
    • http://dirogubu.curlydoodles.com/uploads/1/3/0/8/130814328/jatotagedajatoderoka.pdfIn PDF document text
    • http://files.imperialgrp.com/uploads/1/3/0/7/130776499/442783.pdfIn macro / runtime command snippet
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8578/1405/files/josorodefonumezube.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1955/9335/files/66709688429.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5412/1635/files/backward_caste_list_in_telangana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0201/1548/files/40123549261.pdfIn macro / runtime command snippet
    • https://cdn.shopify.com/s/files/1/0435/3294/3519/files/nebaxerexuterusa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8784/6806/files/dixaxaguburek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3901/4562/files/1999_jeep_cherokee_owners_manual_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4587/8941/files/nananezukolapegalixevedo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/92408058825.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1274/2550/files/kurudukorufekamolafelev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9242/6405/files/effects_of_bullying_research.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9956/9829/files/ansi_c_programming_language.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9526/8264/files/falatitanizovibodotoso.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 7

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005efe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EFE 5152 bytes
SHA-256: 1eae3c77bcd4c040c5b1e1d63276491fa23ca9b278c97521c497100f59686bd4
font_01_sfnt_off0000707e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x707E 2596 bytes
SHA-256: 3bf9c6dc087280131e165666f392cb8b7e20c00fba454edb2c60918ef363780d
font_02_sfnt_off00007c00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C00 2320 bytes
SHA-256: 026de1076dad6614fee7b4839f066e743e4238b5ddea94259138cfcd618330b4
font_03_sfnt_off00008652.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8652 10324 bytes
SHA-256: 559fba6b944503f1d2947592b8f38b394b6dffffb32bdd9c7232b5be682767cc
font_04_sfnt_off0000a92f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA92F 16224 bytes
SHA-256: 7a7e0f9cb89785dee93ecfbcc78ef93b5a18a5022886c2d5a0bf15d9412c15a0
font_05_sfnt_off0000be7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE7B 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176
font_06_sfnt_off0000cc7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC7B 4532 bytes
SHA-256: 47c59c8dfd1df0bfe377cf56ba67876e370966a08ff63e3d454bbe0340640443

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