Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d0cb11f187c9373…

MALICIOUS

PDF

37.9 KB Created: 2020-08-11 00:16:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f678d32edce95d1acdb5ac43ee523df8 SHA-1: 9ab53598b4b0c22c0afec62e9420761b114752c0 SHA-256: 2d0cb11f187c93731b146299f5ef4e5fba120ae72e36e4dc1ddb1b35fd0000f5
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same redirector URL, suggesting it is the primary 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.com/pify?keyword=alfonsina+y+el+mar+roland+dyens+pdf In PDF document text
    • http://files.catonthecorner.com/uploads/1/3/0/7/130775143/8041afee9d096.pdfIn PDF document text
    • http://files.fyffecollection.com/uploads/1/3/1/8/131871605/b079032f22a4bf.pdfIn PDF document text
    • http://files.ayatechnologies.net/uploads/1/3/1/3/131398461/divukudubi.pdfIn PDF document text
    • http://files.schatziesevents.com/uploads/1/3/0/9/130969656/bavabiteveve_bineladurogat_womujotanib_wilobem.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0515/7284/files/cpa_reviewer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2756/9576/files/redabil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2718/5309/files/70825217888.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5304/0295/files/goxoparojajomunob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3529/5905/files/vatilolikuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8463/4530/files/unchained_melody_righteous_brothers_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7950/7875/files/15576578605.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5261/4311/files/jamozat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4981/0080/files/50958034832.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/4486/7994/files/black_and_decker_hedge_hog.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 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004a84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A84 4988 bytes
SHA-256: 80ce46ae419f90ea1e03c0bd880e889a5461bae93fb2e43964c2b34e58436578
font_01_sfnt_off00005b61.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B61 9764 bytes
SHA-256: cab4a9de1cad253bcc4e6e3f77521854ff662755a8d77280d16feaa245c98600
font_02_sfnt_off00007cd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CD2 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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