Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a7d2a03b252ea3d…

MALICIOUS

PDF

46.2 KB Created: 2020-07-30 05:32:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8b3fef4e2cbef9efe841556753ec6a05 SHA-1: 8180c0c23c0675b016dff30103dd2f3233cc9abb SHA-256: 5a7d2a03b252ea3d4403ce112d4a1c2d92f1eba8456906fc9901fd3a1b06367b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains multiple links to redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=bonacci+editore+pdf', which is flagged as malicious. It also hosts a large number of external PDF links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic to distribute malicious content. The ML classifier strongly indicates maliciousness, and the overall structure points to a phishing or malware distribution lure.

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=bonacci+editore+pdf In PDF document text
    • http://files.bonneygirlphotography.com/uploads/1/3/2/6/132681204/sapoxorufewodod.pdfIn PDF document text
    • http://files.nawink.com/uploads/1/3/0/8/130813913/1113915.pdfIn PDF document text
    • http://files.scenicroadsrv.com/uploads/1/3/1/4/131453902/dopozol.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/1/0437/2873/2314/files/kitakokikenajapaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1375/7339/files/fojixitezokudujido.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5383/3637/files/96052680457.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5427/7532/files/widoropirolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2270/4030/files/21000661405.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1357/0709/files/69806398278.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0389/6217/files/67693843178.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7542/6722/files/78203510481.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8118/6972/files/56198906235.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9391/6837/files/48245799052.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0342/0570/files/51126167112.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_off0000790f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x790F 4776 bytes
SHA-256: 3ad3469bf88b0f0f394d4a60a843671d659c45577369cc8803d21eb94143e927
font_01_sfnt_off0000894b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x894B 10052 bytes
SHA-256: 21eaa8208e71ac8cefacb8662daa6c95334b6edf22cd63acc714155b3831c638

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