Malicious PDF — malware analysis report

Static analysis result for SHA-256 911022610b2ea9a5…

MALICIOUS

PDF

34.8 KB Created: 2020-08-08 00:56:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a5803e0c3d3fff532e24eb82d861a1f4 SHA-1: 9501bb5c6b6acebc578acf037e46e4992d925462 SHA-256: 911022610b2ea9a58b19530161408ac0fda92940c7f922e0c8c453fac3f24e66
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL is https://ttraff.com/pify?keyword=e+t+magazine+pdf, which likely serves as a lure to download further malicious content. The document body itself is heavily obfuscated, but the presence of the malicious redirector and the link farm strongly indicate a phishing or malware distribution attempt.

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=e+t+magazine+pdf In PDF document text
    • http://xoboraze.prairiekennel.com/uploads/1/3/1/3/131398140/rotalibudon.pdfIn PDF document text
    • http://files.laniakeamedia.com/uploads/1/3/1/3/131380504/genakip.pdfIn PDF document text
    • http://files.bridgesidebooks.com/uploads/1/3/2/3/132302978/6477255.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/1/0431/6174/7605/files/tumenanomedurukeletukag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/benubojebexoreloruva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7026/7291/files/xapunozazogirezi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4751/7341/files/20154230131.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5092/4182/files/5238771060.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1468/3813/files/tecnologia_en_agricultura.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/7934/6850/files/bank_exams_today_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3551/7337/files/foforavivagemidamuzix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9718/5701/files/45395409578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0831/9907/files/178981732.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1174/2628/files/61039656602.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8918/3398/files/dulidawa.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 2

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_off000049e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49E2 5060 bytes
SHA-256: d23f51a869d99293f1b99dbf873698e6de3bfc1816beeb8e1576cf6275e7663e
font_01_sfnt_off00005b1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B1D 10416 bytes
SHA-256: dccbc66065b4cd42f3d001572bb04c87ffba5d94d9fd4bbb30ac7f2ba6daaa9b

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