Malicious PDF — malware analysis report

Static analysis result for SHA-256 35d0059789a1b00b…

MALICIOUS

PDF

45.3 KB Created: 2020-08-24 05:05:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c4ab47e703e17707218a57541813669a SHA-1: ce2ff553912ee3e858cf421fa48999fd1adb2054 SHA-256: 35d0059789a1b00b34a26b2172509f00b0250173bdd1fa81c156bf30c568d481
194 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by an ML classifier and contains a significant number of embedded links. One of these links, 'https://ttraff.ru/pify?keyword=aeroplane+landing+video', points to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on cdn.shopify.com, suggesting a link farm designed to distribute malicious content. The primary attack pattern involves luring users through these links.

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.ru/pify?keyword=aeroplane+landing+video In PDF document text
    • http://files.portraitsbyglenda.com/uploads/1/3/0/7/130738593/vipokujog.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/1/0449/4082/0635/files/rafivojaguzaxazudazozinu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4571/6129/files/89882003486.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3631/9645/files/roxololelo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8631/5682/files/55970109149.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4947/6518/files/sheetrock_dimpler_drywall_screw_setting_tool.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6958/8135/files/47337899150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/6475/0243/files/87818002145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4243/1395/files/51300103340.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4354/3450/files/rinibeziz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23929268289.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7810/7811/files/logic_brain_teasers_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7952/4759/files/dixadalobepavorasigar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0336/9878/files/vewuvibotavikar.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_off00007489.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7489 4996 bytes
SHA-256: 64e7b591daa6183b04e9e3329bf1d5941c91c22da3b3d69385f9d229c3b36f45
font_01_sfnt_off0000859c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x859C 10324 bytes
SHA-256: a487b25960469157cf59e9170d7cbcc578e39b36a4cdd91cf3783cc1cf69acc7

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