MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=cerebrovascular+disease+review+pdf'. This indicates the document's primary purpose is to lure users to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to improve search engine visibility for malicious content. No scripts were extracted, limiting the analysis of further payload delivery mechanisms.
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.cc/pify?keyword=cerebrovascular+disease+review+pdf In PDF document text
- http://files.dglanded.com/uploads/1/3/0/7/130775135/pobiwuze.pdfIn PDF document text
- http://vovibuwoj.billsnwphoto232.org/uploads/1/3/1/4/131453645/ridumejufekimew.pdfIn PDF document text
- http://wolirek.dankcityclothing.com/uploads/1/3/1/4/131437363/keridezaxomuwiwim.pdfIn PDF document text
- http://files.donzhenphoto.com/uploads/1/3/1/6/131637529/jotijireze.pdfIn PDF document text
- http://files.alex-key.com/uploads/1/3/0/7/130776008/guzeben-bakibenowe.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/1/0440/7400/8741/files/19027881271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4024/2840/files/65568604542.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1204107997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2344/0804/files/wasirisitasoziwotosogo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8510/3255/files/95961955190.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6290/2438/files/pijaxanetumurezanuzisaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7107/7542/files/buzutunolenosifefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2784/0669/files/97042311840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5622/5688/files/18729667678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7713/1683/files/74350485731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2629/2634/files/34063288870.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_off000089bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89BC | 5160 bytes |
SHA-256: 5c02a115d2bebb3a19df5154833c6d346c0434c50eeab574daf9646c467dd6dd |
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font_01_sfnt_off00009b63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B63 | 10440 bytes |
SHA-256: f8db326cc1f4d22bf52b9a56fa241c4e9dfa56c802b7398f12c857bba0f677f6 |
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font_02_sfnt_off0000bf1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF1F | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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