MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though partially garbled, contains the URL 'https://ttraff.ru/pify?keyword=protein+structure+prediction+tools+pdf', which is flagged as a malicious redirector. The presence of numerous links, including to Shopify domains, suggests a link farm or redirection strategy to 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.ru/pify?keyword=protein+structure+prediction+tools+pdf In PDF document text
- http://files.friesenfruits.com/uploads/1/3/1/4/131455832/f5797cd.pdfIn PDF document text
- http://files.mrgarciaswebsite.com/uploads/1/3/1/0/131070072/7927096.pdfIn PDF document text
- http://files.fauxmesticgoddess.com/uploads/1/3/1/8/131856381/gevaxil.pdfIn PDF document text
- http://files.wellnessbidet.com/uploads/1/3/0/7/130776493/87616a7d3.pdfIn PDF document text
- http://files.siglapircc.com/uploads/1/3/1/3/131380292/gaxazu_wikogewiweviva.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6651/files/2893048308.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9400/7191/files/6483271287.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1497/8718/files/fabanulafivoxetar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8292/3676/files/52191590488.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9327/0429/files/child_support_agreement_template_ny.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2067/3433/files/basic_english_grammar_urdu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9237/6741/files/accord_du_participe_pass_avec_avoir_exercices.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/adhyathma_ramayanam_telugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7056/3239/files/71208128661.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0071/7727/files/pozixojudosuworojiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0692/6741/files/91943540437.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5287/5424/files/holy_bible_software_for_pc_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4834/5500/files/43775418698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9033/7189/files/6030265318.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4678/0566/files/geviluvepojutijidom.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007ed6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ED6 | 4824 bytes |
SHA-256: 1fd422a47de7ab0ae04f6c595dc49bda0c3d5efe50fd6a876133c0f2b8f6b48a |
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font_01_sfnt_off00008f46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F46 | 14144 bytes |
SHA-256: 9bb61e1ad662dfb2b642ab384fd171f9b2027a3d07cd849bd786c0f200a0b7e6 |
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font_02_sfnt_off0000bb0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB0A | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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