MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links, including one pointing to a known malicious redirector at `https://ttraff.com/pify?keyword=casperjs+download+pdf+file`. This redirector likely leads to a phishing or malware download page, masquerading as a free resource. The presence of numerous links to external PDFs, some benign and some potentially malicious, suggests a link farm or SEO manipulation tactic to drive traffic to the redirector.
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=casperjs+download+pdf+file In PDF document text
- http://files.dididiphotography.com/uploads/1/3/0/9/130969895/jokadosasusumo.pdfIn PDF document text
- http://files.krystalwatersystems.com/uploads/1/3/2/6/132695818/4744849.pdfIn PDF document text
- http://files.candlecafe.com/uploads/1/3/1/4/131483154/doxirivixepe_mozagita_banirijamo.pdfIn PDF document text
- http://tuzimexup.baliliveentertainment.com/uploads/1/3/0/8/130874232/vudixufilefasopab.pdfIn PDF document text
- http://gumovufo.sardisdoorway.com/uploads/1/3/2/8/132814930/6956819.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/1/0434/0465/6797/files/critical_reading_skills.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4724/7263/files/anatomy_and_physiology_chapter_1_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2174/6847/files/tejeliguxuxegabopeti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8584/6933/files/pthread_cond_wait_example_in_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4942/6845/files/20072974865.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/12957108542.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4932/0610/files/lozokatibovove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2853/7753/files/33978814210.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3070/0455/files/malaria_parasitemia_grading.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1483/1780/files/tezidadepidelexabidosud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4914/8838/files/78128243223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1667/5740/files/suzeguwili.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_off00006068.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6068 | 5108 bytes |
SHA-256: 693a36416ecdc35653b77104aaa548804921bfa79659bc3db328cf7abc1f8ee4 |
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font_01_sfnt_off000071f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71F4 | 10044 bytes |
SHA-256: c3aab1653ec9a3e57ca12f448eedacac24219c8f55dff4e3e30a9b49602d8d51 |
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