Malicious PDF — malware analysis report

Static analysis result for SHA-256 5243da900e29c078…

MALICIOUS

PDF

122.6 KB Created: 2020-08-03 07:15:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d1b629011537d56825a217db5bfade34 SHA-1: 0009d543caea1b801a2d6c31cb30ecb6d1cebf0a SHA-256: 5243da900e29c07844720fdbd1b57a8a6e1402918db780d546fe5d0483b4c632
202 Risk Score

Malware Insights

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

The PDF contains a lure related to 'federal pharmacy law' and embeds a link to 'ttraff.com', which is identified as a malicious redirector. This redirector is part of an SEO link farm, suggesting a phishing or spam campaign. The ML classifier strongly indicates maliciousness, and the presence of embedded links points towards an attempt to redirect users to malicious infrastructure.

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.com/pify?keyword=guide+to+federal+pharmacy+law+pdf In PDF document text
    • http://files.honeypotcreativecafe.com/uploads/1/3/1/4/131454286/5478923.pdfIn PDF document text
    • http://files.acdavisbass.com/uploads/1/3/0/8/130874029/c68711e.pdfIn PDF document text
    • http://files.biyanananta.com/uploads/1/3/2/6/132682110/4795d.pdfIn PDF document text
    • http://files.uottawaequestrian.com/uploads/1/3/2/7/132712315/e44fd62c.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/1/0433/8227/6250/files/burewesifikutuzi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0390/2112/files/discord_profile_gifs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6556/3549/files/5237778589.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2175/4787/files/ditoruwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4944/1687/files/roll_out_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5856/9115/files/55249725269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5651/2680/files/nedasufanujavikigibager.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7381/4182/files/dasasesopetugorexat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/tepuwuxonebivivogaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7614/7607/files/albuquerque_digital_tv_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9601/3990/files/wujizojumivetudubowitofo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6986/6141/files/12843041967.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001a649.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A649 5440 bytes
SHA-256: 9df64f45826f62f02c388e3482e7a6ee38d941d3400a41705dac7464b7a9867f
font_01_sfnt_off0001b8b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B8B8 10604 bytes
SHA-256: 6483ca9dd4b214b478968beeb24630d2349912c9fd2ab309126e75435f69cb3f

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