Malicious PDF — malware analysis report

Static analysis result for SHA-256 cdbb3adf4b034ff5…

MALICIOUS

PDF

65.8 KB Created: 2020-08-17 03:57:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: da0f51bf5068c7a2583e29e4e5f833e7 SHA-1: 3857202873be196308c89e66f4f1612bcfdb73b5 SHA-256: cdbb3adf4b034ff5b6bd9cc0b127dee32b12fa79e18392072814be9e1b8f52f8
162 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. The PDF also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or distribution mechanism. The primary intent appears to be luring the user to the malicious 'ttraff.com' URL.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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=aladdin+game++for+laptop In PDF document text
    • http://files.mansfieldvethealthcenter.com/uploads/1/3/0/7/130775561/jorefozoziteko-zomotuluzamum.pdfIn PDF document text
    • http://files.laurainthelibrary.com/uploads/1/3/2/7/132712080/wizidogore.pdfIn PDF document text
    • http://nunuz.nsfaphs.org/uploads/1/3/0/7/130775274/45c43c33f.pdfIn PDF document text
    • http://sagotub.huningtonchase.org/uploads/1/3/1/8/131858540/rojulerukafomerube.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9383/5432/files/dajugadoxakowig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5210/3842/files/human_anatomy_martini.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8815/0690/files/apc_smart_ups_3000_rack_mount.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0372/3428/files/82213325016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2777/4115/files/75870138241.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6017/3717/files/outliers_in_statistics_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3579/4327/files/87556580054.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1437/4047/files/58815157916.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6823/5682/files/goromenizatub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9437/6599/files/kezovu.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c524.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC524 5172 bytes
SHA-256: caf2f6e2c9c4ae0b78e4c669d6496908ef55eceb7e2d0a320513482eb7b72caa
font_01_sfnt_off0000d6a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6A5 10420 bytes
SHA-256: bcd5bbe0a25911e313c40697e208d02ec47287b607bd889daa35f20041d70723

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