MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links, many of which point to a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, contains the same redirector URL, suggesting it is the primary lure. The presence of a large number of external PDF links, many benign, indicates a link farm strategy to improve SEO and potentially distribute malicious content.
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=cartesian+robot+design+pdf In PDF document text
- http://files.missflowersclassroom.com/uploads/1/3/1/6/131636903/9821875.pdfIn PDF document text
- http://files.abideinhiminc.org/uploads/1/3/1/4/131410952/a4021756015cde.pdfIn PDF document text
- http://files.becauseiamawoman.net/uploads/1/3/0/7/130739060/totamam.pdfIn PDF document text
- http://files.bevmcclellanrobynfear.com/uploads/1/3/0/8/130874067/9588005.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/1/0435/9946/2558/files/apprendre_l_criture_arabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2675/0357/files/play_david_banner.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2906/7933/files/52062160031.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1321/8210/files/72292499054.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/fufufur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2505/6412/files/basic_electronics_components_checking.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2250/0518/files/dagikugetigenagejaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8166/2628/files/vajimoson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9508/1625/files/65147041470.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7917/2257/files/77747546602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3796/5986/files/49194587957.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25781613666.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7383/4901/files/5437968523.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5366/2883/files/92614590327.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8649/5396/files/gejunajaxenuser.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_006_off0000aeb4.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xAEB4 | 17524 bytes |
SHA-256: c1d307ec0aff0585565f601cea6540c7652ef72374a150bf29add506f73cafc7 |
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font_00_sfnt_off000079d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D0 | 5220 bytes |
SHA-256: 6e234b749c070da9883f9be14b3cf8137de025ebed94f685661961a6823ec35b |
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font_01_sfnt_off00008b97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B97 | 10228 bytes |
SHA-256: 7ab6a68e4b1fdc3d44c615abee3a01e45e187bb80f5732157c29b38dd9feba54 |
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