MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to what appears to be a link farm designed for SEO manipulation. One of the primary links, 'https://ttraff.ru/pify?keyword=can+you+read+pdf+books+on+kindle', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to reading PDF books on Kindle and mentions the wkhtmltopdf tool, suggesting a lure to disguise the malicious intent. The presence of numerous Shopify URLs, while some are benign, contributes to the overall link farm characteristic.
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=can+you+read+pdf+books+on+kindle In PDF document text
- http://files.debcoopertextileart.com/uploads/1/3/2/3/132302759/wezizoximuk.pdfIn PDF document text
- http://files.musclecarsandclassiccruisers.com.au/uploads/1/3/0/9/130969218/bakudigodexenat_bepiraf_mitekafeketirav_gexolat.pdfIn PDF document text
- http://files.becomeyogi.com/uploads/1/3/1/4/131438161/paxetumik-zerodulefivafo.pdfIn PDF document text
- http://files.auracraze.com/uploads/1/3/1/4/131453335/busopux-nawitewegi-jigipod-xozopeke.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/1/0430/1537/2949/files/c_p_singh_physics_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tunamowari.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7812/2649/files/fabilex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3613/7882/files/viwamumupaburop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6075/6641/files/47806204357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/41236519013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8266/1526/files/60040024942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/demofemufexurus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9950/3257/files/poisson_probability_distribution_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3545/7696/files/poe_ziggyd_profile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8570/1019/files/nikidavexamejazanozeveme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9244/2264/files/50267005244.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1754/3585/files/fabemuxikavoxiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3093/6733/files/bastonete_de_auer.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_off000070c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70C2 | 5244 bytes |
SHA-256: a32106c580b318560f6b4ba2b484890abde427e928fa1e397777572ae3edb468 |
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font_01_sfnt_off000082a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82A6 | 9960 bytes |
SHA-256: 262a77a74d129be34a9b77548c578980ddb543d20b8346113c21e1c06e0ce915 |
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