MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a redirector, which is part of a link farm designed to attract users searching for specific content like 'jaypee physiology book pdf download'. The heuristic firings indicate the PDF is a malicious redirector and part of a link farm, strongly suggesting a phishing or malware distribution attempt. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.
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.ru/pify?keyword=jaypee+physiology+book+pdf+download In PDF document text
- http://files.bowieknifestudios.com/uploads/1/3/1/4/131453045/53632666943.pdfIn PDF document text
- http://files.johnmcsweeneyphotography.com/uploads/1/3/1/6/131606135/7322052.pdfIn PDF document text
- http://files.eyeslikemineinc.org/uploads/1/3/0/9/130969889/xawanaladafav.pdfIn PDF document text
- http://files.northwoodshaman.com/uploads/1/3/1/4/131453086/8558f04.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/1/0434/6596/5718/files/84502080228.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2469/4939/files/97216324016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7906/6009/files/98099414989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0595/9574/files/bogopamupadi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5996/0218/files/67042989611.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5373/6351/files/9122465792.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5838/0446/files/gedutovefajapofak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2903/5158/files/70487097562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2000/1178/files/35605350776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3197/5320/files/3447130089.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8597/1110/files/diwegowu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3417/1813/files/80072104161.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8714/2819/files/96028227845.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_off0001b2b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B2B1 | 5300 bytes |
SHA-256: 6b400e46216f5fa443ec81d784c062a0395deb199762acf7ea197768bbcc2e6e |
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font_01_sfnt_off0001c4b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C4B4 | 2080 bytes |
SHA-256: 77504f6ef7cfdd1274ccffe8240f5fc9a8cd456e5c2c9c7d0ee3d83ba1fc7321 |
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font_02_sfnt_off0001cdb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CDB5 | 12060 bytes |
SHA-256: 191bb326f7cb296b269f004285281e87bde4d9d85d24089ebd46ddfaf9c645eb |
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