Malicious PDF — malware analysis report

Static analysis result for SHA-256 599d83ed5fe2bfff…

MALICIOUS

PDF

49.2 KB Created: 2020-07-31 21:43:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 55ae614ef1222624e3ac81b073785998 SHA-1: adb099ff1bf84e3713cd120890e0480290c41cfb SHA-256: 599d83ed5fe2bfffa2a4299f0cf537f7e6f0a5650ba0675ef38904f1ab918016
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Ma vatsalya card form pdf' and includes the malicious URL, suggesting a phishing lure. The presence of numerous external PDF links also indicates a link farm strategy, likely to obscure the ultimate destination.

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/wb?keyword=ma%20vatsalya%20card%20form%20pdf In PDF document text
    • http://files.romainewashington.com/uploads/1/3/1/8/131857193/ropodefi.pdfIn PDF document text
    • http://files.leeshearman.com/uploads/1/3/2/6/132695707/supetoranarizo-doveted.pdfIn PDF document text
    • http://files.jjeffreymesserole.com/uploads/1/3/1/3/131384018/f3faf9c41e.pdfIn PDF document text
    • http://files.carriewears.com/uploads/1/3/1/8/131856188/pamisupido-movud-susifeki.pdfIn PDF document text
    • http://files.heywoodracing.com/uploads/1/3/0/7/130739116/vabekoxi.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/1/0429/7709/9935/files/jukaxakenek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8288/4006/files/pugugufu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9635/8565/files/4962510008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6110/9155/files/tekowokesemijuxotokibaman.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4333/2000/files/55947218524.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1579/7917/files/fasoramurekafomato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7520/6294/files/tewifapizoket.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexidemunuviviradepinitim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5702/7992/files/mezibezunoted.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8700/2790/files/fesomevokamigigatunanoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pajotoliwafugesekediriw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5317/7237/files/mibisovelo.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_off00007823.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7823 5468 bytes
SHA-256: 69fba12cfc8005dd9b54c247aec512ce965c8cdf7bb9c0f3bcb2f592cd6cb350
font_01_sfnt_off00008ac0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AC0 14552 bytes
SHA-256: 43e4fbb1e51c8b14b17d6d595de9af616dacd7cf7bb306dc43d6cd654d3986cc

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