MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document contains a link farm and a redirector to malicious infrastructure, disguised as product reviews. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the primary link leads to known malicious infrastructure. The 'SE_CALLBACK_LURE' heuristic suggests a social engineering tactic, likely to trick the user into clicking the link under a pretext of a refund or billing issue. No scripts were extracted from this sample, limiting the analysis of its direct execution behavior.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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.cc/wix?keyword=blue+devil+hydraulic+stop+leak+reviews In PDF document text
- http://files.revitalizefitnessnutrition.com/uploads/1/3/1/4/131453499/garivexun.pdfIn PDF document text
- http://files.strangelight.org/uploads/1/3/1/4/131437983/bb98231cbb021.pdfIn PDF document text
- http://files.rivermansioncelebrations.co.uk/uploads/1/3/1/6/131606537/358058.pdfIn PDF document text
- http://files.mbilder.com/uploads/1/3/1/4/131406816/1092288.pdfIn PDF document text
- http://files.troytomamusic.com/uploads/1/3/0/7/130774993/c45b918f9b0b6fa.pdfIn PDF document text
- http://pisota.6thstagnesscoutinggroup.com/uploads/1/3/1/3/131382406/7636184.pdfIn PDF document text
- http://zipirix.affaircatering4u.com/uploads/1/3/1/6/131606260/lisuxesofelewod.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/1/0465/1008/0158/files/how_are_flood_basalt_formed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6341/8784/files/95883986046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9421/1750/files/bopewipugogove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2050/9596/files/fudaredoxizel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6341/0845/files/42427356761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0513/2456/files/beethoven_sonata_pathetique_sheet_mu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3145/3081/files/libros_de_benedicto_xvi_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7090/6780/files/powafujatowebudej.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000756d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x756D | 5528 bytes |
SHA-256: 1016b9e9031a8ab11c29fa36c46e15340fc5eae758f3a1579d311e7f3944ffe3 |
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font_01_sfnt_off0000884f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x884F | 11020 bytes |
SHA-256: 9d2265e9269cf0c70f0805026556ed9fb185235924e21ae2756a452c8a4345e3 |
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