Malicious PDF — malware analysis report

Static analysis result for SHA-256 49ba899ec90310cf…

MALICIOUS

PDF

49.3 KB Created: 2020-08-13 23:47:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 604a5496414e16867d766b5e6a74aa46 SHA-1: 59c6f65333ae6f4d6050cbb9c4893516e7cb8c54 SHA-256: 49ba899ec90310cf11939784defb89b9620905a965d03014770d0fd8322070aa
202 Risk Score

Malware Insights

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

The PDF file contains a link farm with numerous embedded URLs, including a critical finding of a link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=febrile+seizure+guidelines+canada'. This suggests the document is designed to lure users to malicious sites. The presence of urgency language further supports a phishing or social engineering attack vector.

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.cc/pify?keyword=febrile+seizure+guidelines+canada In PDF document text
    • http://files.beautyessencebymerabell.com/uploads/1/3/2/8/132814427/4037323.pdfIn PDF document text
    • http://taxit.fitzgeraldbenhillartscouncil.org/uploads/1/3/2/8/132814930/9428513.pdfIn PDF document text
    • http://soreme.derrenbackergroupbenefits.com/uploads/1/3/0/9/130969723/5841190.pdfIn PDF document text
    • http://vabaj.ellabshop.com/uploads/1/3/1/0/131070420/1331304.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/1/0429/7372/4825/files/79170082745.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9461/3924/files/32515382980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/methyl_salicylate_msds.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8205/4813/files/tanixilobokibogabezume.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3393/5519/files/57062250944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7917/2257/files/48568629556.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6481/9874/files/totel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1961/5904/files/toastmasters_evaluation_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9836/5340/files/ceftaroline_package_insert.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7237/3414/files/98948943593.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_off0000833a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x833A 5252 bytes
SHA-256: 50610db365611faa93725aa44edde26f642a4b7f26140256d0a9c8e6dcae290e
font_01_sfnt_off0000951e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x951E 10376 bytes
SHA-256: 0721e0aa283138dae9cc77b175c70100d608f067a7112505e0c04f77080a816a

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