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 external resources. One critical heuristic firing indicates that the document links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=scrabble+online+free+no++against+computer'. The document body, though heavily obfuscated, also contains this URL and numerous other Shopify-hosted PDF links, suggesting a link farm or SEO poisoning tactic to drive traffic to malicious sites. No scripts were extracted from this sample.
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=scrabble+online+free+no++against+computer In PDF document text
- http://files.accordionapocalypse.com/uploads/1/3/0/9/130969422/8311375.pdfIn PDF document text
- http://xaluwixe.santanhistorical.org/uploads/1/3/1/6/131637881/1095661.pdfIn PDF document text
- http://files.sovietjewrymovement.org/uploads/1/3/1/3/131398561/tigip.pdfIn PDF document text
- http://files.hewittfarms.info/uploads/1/3/0/7/130776817/volajofopujabik.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/1/0429/0982/7231/files/99222048496.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5516/9182/files/quantum_mechanics_a_paradigms_approach.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7437/8138/files/2245994199.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4995/1138/files/manual_da_pedaleira_boss_me_25_em_portugues.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6222/2232/files/zobufevegisiwuxaxenij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8097/2456/files/food_manufacturing_business_plan_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0501/7255/files/template_ppt_lucu_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0603/3063/files/50683446642.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8115/4198/files/aspergillus_niger_structure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4012/6614/files/jenukiva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/jirexozejelotip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7916/4314/files/wupozo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3862/9270/files/39643756356.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0319/9136/files/54934769616.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_off000068ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68CA | 5580 bytes |
SHA-256: 3a1063204c33bb66b04047021993396fcd1b8c9dee1a3aa3944188176b889c25 |
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font_01_sfnt_off00007ba7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BA7 | 10080 bytes |
SHA-256: e627f47da356190215f21ffcd2a5d39c68ad70666b68c9be4336bc462d96b46e |
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