MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many pointing to benign Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. This redirector is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=arrhythmia+causes+pdf', suggesting a lure related to medical information to entice clicks.
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=arrhythmia+causes+pdf In PDF document text
- http://files.thetrashtalkblog.com/uploads/1/3/1/3/131379820/4068510.pdfIn PDF document text
- http://files.changinglungcancer.com/uploads/1/3/0/7/130740210/vukafinuwaliwe-titazidegovif-maxoxosemuwoxa-modeze.pdfIn PDF document text
- http://files.thefilamentstudio.com/uploads/1/3/1/6/131606035/fakesijerisaz.pdfIn PDF document text
- http://files.kodamaforestschool.com/uploads/1/3/1/4/131453084/a067716d1c565d9.pdfIn PDF document text
- http://files.wrigg.org/uploads/1/3/2/6/132695445/6562426.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/1/0433/8611/0110/files/design_patterns_in_java_with_realtime_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7921/2962/files/65048718550.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5981/4306/files/sejapazesowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2461/1478/files/tilekinemumal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1335/7214/files/85289648018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0253/4822/files/american_slang_words.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8706/0375/files/sajizumobubuwab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2175/4787/files/rapogodulolej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2168/9254/files/91376147911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6032/9637/files/laritem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2014/7112/files/31055684412.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gaxedisurerikemamezawapux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5002/4603/files/ielts_writing_task_1_samples_band_9.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7275/7670/files/44383153715.pdfIn PDF document text
- https://medlineplus.gov/arrhythmia.htmlIn 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_off000083bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83BB | 5456 bytes |
SHA-256: 8e6d6816ff312af4bdbdab42eaa2e1ab6b6e44865391bf488105fe87ab08b068 |
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font_01_sfnt_off00009625.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9625 | 10068 bytes |
SHA-256: 36385ee4211c3e419d4c61a8e4f51f20614b35bca31e764221e8c531c6a23dbe |
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