Malicious PDF — malware analysis report

Static analysis result for SHA-256 98942e5bbd3acdfe…

MALICIOUS

PDF

36.7 KB Created: 2020-08-15 01:22:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6d70b7a6c2d5cb30f191c2d603ef42f7 SHA-1: 2f01d2667d3c61cb79094d82acc6a470a4c37189 SHA-256: 98942e5bbd3acdfed41760f30feac803d0f97e6a040902c5d5795ea665598dd7
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. The document body, though heavily obfuscated, also contains this URL and appears to be a lure for 'microsoft publisher halloween flyer templates'. The presence of a link farm heuristic and numerous embedded URLs, many pointing to benign Shopify domains but some to unknown domains, further supports a malicious intent to redirect users. No scripts were extracted from this sample.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.cc/pify?keyword=microsoft+publisher+halloween+flyer+templates In PDF document text
    • http://files.updatescentral.com/uploads/1/3/1/3/131384018/fotimiva_nidanu_gibuvidedavade.pdfIn PDF document text
    • http://nugewuber.katebenderart.com/uploads/1/3/2/7/132712062/wufuzikuboxewotodop.pdfIn PDF document text
    • http://files.dassiedahan-author.com/uploads/1/3/1/4/131436971/wixodasa.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/1/0435/3523/7269/files/djpunjab_punjabi_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8297/1291/files/definition_of_scarcity.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3147/7922/files/64657531190.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4179/0871/files/augmenter_sa_confiance_en_soi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7791/7085/files/2d6_vs_1d12.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2611/0885/files/fimalelan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3015/0309/files/32031712442.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1583/8618/files/56835513362.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6952/1568/files/57192356624.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6649/1042/files/jujopemaxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7152/8344/files/answer_key_math_10_module_3.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_off000051b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51B6 5596 bytes
SHA-256: 1c32ac9202448f5999a38cbddfcc5a1d958672e79ae00cb8da1a72426593f58e
font_01_sfnt_off000064a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64A3 9720 bytes
SHA-256: 2e51ab94ffebc1fb97b9cf31599c0fc3231b692d03990583e93c8dcc601b029f

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