Malicious PDF — malware analysis report

Static analysis result for SHA-256 1229b2d55f832d67…

MALICIOUS

PDF

41.2 KB Created: 2020-08-19 03:09:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a7a2a370ea80c74f1fa975dca132b7a4 SHA-1: db00fd2c00e425274ccd9ccf583fae3e921506e4 SHA-256: 1229b2d55f832d67059b59f104ec842ede87e097bd81b5839087cd51c882ae60
202 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics, suggesting a phishing or malware distribution attempt. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=adoptable+storage+devices+apk In PDF document text
    • http://files.peppertreegoldendoodles.com/uploads/1/3/1/6/131637163/06f213ed58db.pdfIn PDF document text
    • http://xatume.motivationbymaia.com/uploads/1/3/1/4/131406361/1979758.pdfIn PDF document text
    • http://sorenipo.manakilagigroup.com/uploads/1/3/1/6/131607600/c683a92fe.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/1/0428/2816/9375/files/satedad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5097/5910/files/78315863929.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2985/5393/files/xudijolojotexo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5843/8056/files/41332159141.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1024/3230/files/82515764968.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5684/8282/files/vuwiwajane.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6701/3280/files/terraria_sawtooth_shark.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8126/1466/files/atf_form_5320._23.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4629/5959/files/p90x3_mass_schedule.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_off00006254.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6254 5492 bytes
SHA-256: 0f148fe91f03bb10d50800e1f9d9848174c9a4ca80b9597b98c0c2e8de8df9b7
font_01_sfnt_off00007518.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7518 10292 bytes
SHA-256: 6029a40c9e60d1c1d73e66b05227cffe9e08a9ca2a717152b1bbadd83a3d4760

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