Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee0da84829653e9f…

MALICIOUS

PDF

42.2 KB Created: 2020-08-08 10:40:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a758c75d166a21c199942efe42d9e737 SHA-1: 94652c3c22c06ad4472f190bb5ae8c7423a03ccd SHA-256: ee0da84829653e9fa83b22c956e5a669cfd58ec8a662c1592fb3541b504e273f
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector at 'https://ttraff.ru/pify?keyword=building+management+system+design+pdf'. Another critical heuristic identified a PDF link farm, with 'https://cdn.shopify.com/s/files/1/0430/6118/2617/files/bosux.pdf' being the first listed. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the same malicious URL, suggesting a lure to a malicious site.

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=building+management+system+design+pdf In PDF document text
    • http://files.metamoralionsclub.org/uploads/1/3/0/8/130874148/d5fb57cbdd16.pdfIn PDF document text
    • http://buxusem.shishonsports.com/uploads/1/3/1/4/131454012/wudunawozil.pdfIn PDF document text
    • http://files.paradisekennelnb.ca/uploads/1/3/0/7/130776246/bufeveweponuluvi.pdfIn PDF document text
    • http://tigakege.humancapitalrealisation.com/uploads/1/3/2/6/132681670/a17b92.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/1/0430/6118/2617/files/bosux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6341/9814/files/wevadafukujazitesuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8810/1030/files/xutuzoperoxofofenub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/luzugojozawok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5625/1555/files/namevigawixe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1488/0405/files/gobirotev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6743/9264/files/jurumamidexaganise.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0553/2569/files/vinusukutekipufudapo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4311/0555/files/sipowojopatitijurevaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3146/1016/files/lagonidaloledadedezizo.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
🗂 Part of campaign: freshstockjapan.com 6 samples

Related samples 4

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_off000066cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66CB 5416 bytes
SHA-256: 0a73aa21d5acf546cc4b8cf30cb1e71313c71843c9c7959ce268afaaa4f9bad8
font_01_sfnt_off00007937.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7937 10144 bytes
SHA-256: ebeab0d920374fd9a7a14a855039b104146bbcc3fdfcce103cb4b40272b5b5f5

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