MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=vehicle+inspection+form+pdf+free'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, some hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL. The presence of a 'download button' heuristic further supports the lure mechanism.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=vehicle+inspection+form+pdf+free In PDF document text
- http://files.accruemineralsinc.com/uploads/1/3/2/8/132814168/wamukegam-desaruzu.pdfIn PDF document text
- http://files.mingateachers.org/uploads/1/3/1/8/131871705/9215506.pdfIn PDF document text
- http://files.brandjourno.com/uploads/1/3/0/8/130813054/pigedotipomisodam.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/1/0427/5752/1574/files/xokuvulimatebibemomigesaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3006/0955/files/gofivonefugasovavekupidil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0265/7957/files/tinkers_cold_blooded.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/nikeji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5506/2938/files/18783227683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7744/3483/files/buxaforabobaleluwelozepi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9932/3558/files/36517097123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2328/6940/files/80774917898.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5593/8720/files/fufeguvuxipedifajoli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69262577592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2920/8986/files/dujejatusizerit.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e79b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE79B | 2828 bytes |
SHA-256: 85b692c1c636aed9ab1240d2a7361179fdd6c0849396a06064984f922e967b4f |
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font_01_sfnt_off0000f195.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF195 | 4936 bytes |
SHA-256: 012e8711a626507ba834bbb42e88413e47afe33aaad3a881b54f93955d2591ac |
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font_02_sfnt_off0001022a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1022A | 10024 bytes |
SHA-256: 9158138e5b281c66844982582d70397bab1a87f19ee9590780ef11a7a2abd1c6 |
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font_03_sfnt_off00012481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12481 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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