MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is designed as a lure, presenting itself as a free download for 'Kali linux hacking ebooks'. It contains numerous links, including one pointing to the malicious redirector 'https://ttraff.cc/wb?keyword=kali%20linux%20hacking%20ebooks%20download%20in%20pdf%202017'. The ML classifier strongly indicates maliciousness, and the presence of a link farm suggests SEO poisoning tactics to attract victims. The document body itself is heavily obfuscated but contains the primary redirector URL.
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/wb?keyword=kali%20linux%20hacking%20ebooks%20download%20in%20pdf%202017 In PDF document text
- http://files.cobramwillows.com/uploads/1/3/0/7/130775518/lubojukizar_gitijobutat.pdfIn PDF document text
- http://files.fumctupelo.com/uploads/1/3/2/7/132741555/381037.pdfIn PDF document text
- http://jasusebo.autumnbeckman.com/uploads/1/3/0/7/130740596/jobiki.pdfIn PDF document text
- http://xivebodof.redtwoapps.co.uk/uploads/1/3/1/3/131380600/5f8e28f8.pdfIn PDF document text
- http://files.parkersformalwear.com/uploads/1/3/1/4/131438869/dejoxakizofaganub.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/1/0430/5344/9367/files/20081756148.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5712/7336/files/fobedutab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8799/5814/files/adding_integers_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0485/3402/files/after_school_of_the_earth.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2022/1607/files/notaditutubepefusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2287/5800/files/52340080376.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4960/7590/files/67795184160.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5193/3078/files/chain_rule_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5094/3142/files/zumipaxagaduxujufagaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2490/6400/files/sokeledo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7263/2470/files/36629174000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8604/4572/files/divezukunewipefim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4681/3344/files/chuyn_t_sang_file_nh.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_off000058fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58FD | 6060 bytes |
SHA-256: 4d5afc799f670f8eeead02d257d8fdb88ae44cb9ee841e3013b93166bf3d74fd |
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font_01_sfnt_off00006db2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DB2 | 10424 bytes |
SHA-256: 3ef8b02de05d4f9dfb9819f9c41efbc9bc8d51896d18eb4ec489fcb0498736c0 |
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