Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e48e57a6880defd…

MALICIOUS

PDF

41.2 KB Created: 2020-08-13 22:30:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fe9cac4f867b19ffbb4801cb8aa8d66d SHA-1: 6bea4570c3bc74ee5b7e16d3d5b4837d54f4bf7b SHA-256: 1e48e57a6880defd8f5b136c2d5fe66d1da3bbcf3f7482b60600a63fd209fad9
194 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'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external links, with the primary one leading to 'cdn.shopify.com'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=appendix+1+request+for+fee+waiver+form', reinforcing the malicious redirector finding. The overall pattern suggests a lure to a malicious site, likely for phishing or malware delivery.

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.
  • 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.
  • 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=appendix+1+request+for+fee+waiver+form In PDF document text
    • http://files.swornoathbrand.com/uploads/1/3/1/3/131380786/62c6aeb1d239624.pdfIn PDF document text
    • http://resul.threegracescoffee.com/uploads/1/3/1/3/131383544/9268540.pdfIn PDF document text
    • http://files.sihanyang.com/uploads/1/3/1/1/131164402/gerilak-fuvexovozidaxi.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/1/0430/0885/2117/files/pibufojaposinafora.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4056/9494/files/56537627849.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9023/1974/files/balanceamento_de_reaes_exercicios.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0265/0014/files/94028699167.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7529/7689/files/xovepukewevukimeza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81603963226.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0512/3493/files/3969853216.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9430/2117/files/16787923152.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4414/3253/files/roller_coaster_decap_deer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1817/4107/files/internship_report_in_finance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5429/3402/files/15607167652.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 7

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_off00006338.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6338 5544 bytes
SHA-256: 5a2a6ca2f1a00ca910017c3353f99b063238f77464c79fe754af2ea06db7cb4c
font_01_sfnt_off00007613.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7613 9884 bytes
SHA-256: d9f46d51379d536e1a9688414c7135825523d27b63faddd8806c58a7d5faed79

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