MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous embedded links, with a primary redirector pointing to 'https://ttraff.com/pify?keyword=german+bilingual+books+pdf'. This URL, along with many others pointing to PDF files, suggests a link farm or SEO poisoning tactic to lure victims. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document likely prompts the user to install a browser extension or update, a common social engineering technique for credential theft or malware delivery. No scripts were extracted, but the overall structure and link farm point towards a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=german+bilingual+books+pdf In PDF document text
- http://files.blessedles.com/uploads/1/3/1/3/131380915/41d6c.pdfIn PDF document text
- http://bunuxu.anncarragher.com/uploads/1/3/1/4/131407164/kasogikow.pdfIn PDF document text
- http://files.europeanmatchracetour.com/uploads/1/3/0/8/130874265/xugita-tamozavigaxuref.pdfIn PDF document text
- http://files.inspirationstudiosgallery.com/uploads/1/3/1/4/131412558/puvox.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/1/0428/9835/8432/files/32150460784.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/99013918678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0740/9308/files/walbro_carburetor_adjustments.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0908/9447/files/gefemixokexadegozubaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3404/8669/files/91928309241.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7201/9877/files/rescuers_down_under_joanna.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8778/1276/files/44558296347.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/99594865370.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98029452840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9068/2783/files/vinetijijamave.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6222/2232/files/pefigavinibuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4031/8375/files/52134327683.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_off0000840a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x840A | 5596 bytes |
SHA-256: 28c66c9d079234b3c69974bbf98cea2a91ca1bd0eb8f524c848b4fd2c2237cbb |
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font_01_sfnt_off000096f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96F3 | 10060 bytes |
SHA-256: 0171d2ec1081195aa520f8dc60299ea88f3e51a44f58d4c109be75e2eb12a17f |
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