MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL, 'https://ttraff.ru/pify?keyword=genetic+mutations+in+humans+pdf', is flagged as malicious. The document body, though heavily obfuscated, also contains this URL and other Shopify links, suggesting a link farm or SEO poisoning tactic to lure users to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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=genetic+mutations+in+humans+pdf In PDF document text
- http://files.andrewmowen.com/uploads/1/3/1/0/131070845/97f54.pdfIn PDF document text
- http://pagofuvi.wholeheartedlydaring.com/uploads/1/3/1/8/131871390/bififixusi-godibumofabusi.pdfIn PDF document text
- http://files.soaringeaglefitness.com/uploads/1/3/1/1/131163867/jenagiroxelet.pdfIn PDF document text
- http://files.victorkumar.org/uploads/1/3/1/6/131637919/jilofa_pevajuxaja_jepes.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/1/0429/5265/5002/files/modejuxuratisi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3321/5644/files/63914312039.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8047/2984/files/sesepuvarezebibopololexob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86662201832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1413/4692/files/13481184463.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5589/6983/files/lakibilutigevekapuwifil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8705/3475/files/37739952632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fawalonilon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3173/3159/files/72328371153.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4346/1032/files/big_papi_net_worth.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4438/7481/files/oxford_advanced_learner_dictionary_free_download_full_version.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/8229/5969/files/evaluacion_del_aprendizaje_significativo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6453/9798/files/45765431345.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5667/7543/files/jabejoli.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_off0000836b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x836B | 5300 bytes |
SHA-256: 231f280d7ecc370bbf3ff36bf7e7939fa23780833e4e1c31e8df030b880f3388 |
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font_01_sfnt_off00009555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9555 | 10256 bytes |
SHA-256: 4134c4f561e9298b9d4520813ed2851d2b72d0a1227c502488990ebcca6eb26c |
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