Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fe9a0b78a1c4f05…

MALICIOUS

PDF

51.5 KB Created: 2020-08-08 03:17:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d0e40e8ccef53ff60f4bd64564163fa2 SHA-1: 42753e522454e71fe393c500e2fe0c45291adb53 SHA-256: 7fe9a0b78a1c4f056c4214654258f8857dca0240846416893368056c80b78d61
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many of which point to redirector services like ttraff.com, designed to obscure the final malicious destination. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or lure users with deceptive content. The ML classifier strongly indicates malicious intent.

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=gdb+commands+in+linux+pdf In PDF document text
    • http://files.handymanofmarketing.com/uploads/1/3/1/8/131871569/zejoduzefegununene.pdfIn PDF document text
    • http://files.outsideinstables.com/uploads/1/3/1/4/131453247/susojudesim.pdfIn PDF document text
    • http://files.movethrough.com/uploads/1/3/1/0/131069899/damijevepatani-xigiwizix-pivorox-mivanibakelomi.pdfIn PDF document text
    • http://files.sweetruthies.com/uploads/1/3/1/8/131871778/7098b888c92ab.pdfIn PDF document text
    • http://files.newleafpsychiatry.net/uploads/1/3/0/7/130775221/nukoj.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/1/0431/9143/5422/files/jukedabexa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5109/0077/files/wewolekanaxuwesiligeruko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8240/7335/files/98387371742.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6297/6921/files/bagijipibenaduzika.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3670/2870/files/marks_and_graham_monogram_maker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8793/8211/files/96160974690.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3489/4755/files/4533152639.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9291/1007/files/boxudidapikemuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9141/7505/files/judifun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5371/7406/files/5470303693.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/3196/2535/files/88016600534.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0465/6790/files/58736917875.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0900/5978/files/79041557175.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 3

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_off00007bf1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BF1 5444 bytes
SHA-256: 274c5513d9c49ededeb6810ff6b0e8174a3023b8b3280c81b1961502e7f043ad
font_01_sfnt_off00008e69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E69 16336 bytes
SHA-256: 7221f37c7ccac68f92dfc6a62e9eb6312e10aa9a861c285b1b19ab7792d0fc81

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