MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, with a critical heuristic identifying a malicious redirector. The primary malicious URL, https://ttraff.com/pify?keyword=williams+hematology+6th+edition+pdf, is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains this URL, reinforcing its role as a lure. The presence of a large number of external PDF links suggests a link farm or SEO poisoning tactic to increase visibility and traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=williams+hematology+6th+edition+pdf In PDF document text
- http://files.hirneisenhighflyers.com/uploads/1/3/1/1/131164153/muwobetokezuf.pdfIn PDF document text
- http://files.carlfismer.com/uploads/1/3/1/1/131164236/9192788.pdfIn PDF document text
- http://files.beitnachum.org/uploads/1/3/1/4/131483253/ximegigojepirez_rabisosip_suwupisi.pdfIn PDF document text
- http://rikewoxot.sheldonbryant.com/uploads/1/3/1/3/131379179/bixegimud.pdfIn PDF document text
- http://files.parkerpond.org/uploads/1/3/0/8/130874490/6096010.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/1/0428/5064/8223/files/rewowa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4528/8093/files/islanders_schedule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1184/1958/files/sample_job_application_letter_for_accountant.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7180/7391/files/6239088601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3264/8602/files/bordereaux_de_livraison.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1583/8618/files/59366041809.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kewosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6654/files/49604452803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4305/2953/files/93401574726.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5549/4806/files/83109765714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6623/7852/files/kixebunem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2468/7014/files/tiff_file_to.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6053/5196/files/97108884403.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009738.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9738 | 5416 bytes |
SHA-256: 36730d5651a4e9c53afc257f4d6d4e0a0c8d207738d008327c41580703087b54 |
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font_01_sfnt_off0000a995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA995 | 10340 bytes |
SHA-256: 14ca1e60379a2be016bf76abe5ef48b7e4d8bff98c9c629e96a127a4b2a5a72b |
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font_02_sfnt_off0000ccf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCF6 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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