MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=auditing+and+assurance+services+a+systematic+approach+9th+edition+pdf'. This indicates an attempt to redirect users to potentially harmful content. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many of which are hosted on Shopify and appear to be SEO-optimized PDF links. The primary malicious URL is the ttraff.ru redirector, which is likely used to obscure the final destination of the malicious payload.
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=auditing+and+assurance+services+a+systematic+approach+9th+edition+pdf In PDF document text
- http://files.amazingepc.com/uploads/1/3/2/7/132710759/xenijejeloralu.pdfIn PDF document text
- http://files.thegirlsofig.com/uploads/1/3/0/7/130739892/zazijarowemovol.pdfIn PDF document text
- http://files.megslim.com/uploads/1/3/0/8/130813961/zotopagoxiviz.pdfIn PDF document text
- http://files.pregnancybirthbeyond.net/uploads/1/3/2/3/132303270/2b2fb4e8f.pdfIn PDF document text
- http://files.naplesbesthairsalon.com/uploads/1/3/1/0/131070722/acca36b19.pdfIn PDF document text
- http://://testbanklive.com/download/auditing-and-assurance-services-a-systemic-approach-9th-edition-messier-test-bank/In 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/1/0431/1485/6610/files/66811168838.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4839/3112/files/alimente_alcaline.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9336/0801/files/becoming_a_supple_leopard_2nd_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8089/2057/files/fomogipipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sazofafusogowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3869/3797/files/virisagokolalibekosefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7853/2774/files/47853435030.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4498/6280/files/social_psychology_studies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13879903487.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2052/5469/files/learn_spanish_books_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3339/3309/files/kurawirugewelux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2854/4668/files/76277823543.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3594/9218/files/20209568314.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_off0000aca4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACA4 | 5844 bytes |
SHA-256: 2a36eb13be70ddebb444fc1852a2e6450e4ef26bdf60779117578106153780e4 |
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font_01_sfnt_off0000c078.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC078 | 13120 bytes |
SHA-256: 9af2a5caf8321f7324286c3f6259b5dca58348e449612bdedaafdcb4c220389a |
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