MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=wrist+exercises+for+carpal+tunnel+pdf'. It also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The document body, though malformed, contains text related to carpal tunnel exercises and the malicious URL, suggesting a lure to a malicious site disguised as a helpful document. No scripts were extracted from this sample.
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.cc/pify?keyword=wrist+exercises+for+carpal+tunnel+pdf In PDF document text
- http://files.transformation-travel.com/uploads/1/3/0/7/130740211/mibenepelituw.pdfIn PDF document text
- http://files.jackinamerica.com/uploads/1/3/1/4/131407315/xufofuxe.pdfIn PDF document text
- http://files.trawallaps.vic.edu.au/uploads/1/3/1/0/131070762/xisatut_mavikevuzebup.pdfIn PDF document text
- http://files.roberttalksbusiness.com/uploads/1/3/0/9/130969300/17d774047.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/1/0433/9384/3358/files/bolerilowiwaze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/zekekebijepasafetagezimik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5481/7690/files/joxilevavak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6775/2100/files/zuguvep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8800/1689/files/tulotufebemegom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1403/6376/files/19570351827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/68916309873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2964/0854/files/pruebas_ser_bachiller_2020_resueltas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4457/7178/files/legamixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8334/2748/files/cummins_8._3_service_manual.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000071e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71E2 | 5112 bytes |
SHA-256: 00125735e98c8ba9c6b655c74730ee7360aae4c71b71bb691bc9b6fab6587195 |
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font_01_sfnt_off0000835f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x835F | 10012 bytes |
SHA-256: 7f884ceaa5637bf45ef1da1c91eaad956cdb754033bb373d7807893fd9236eb0 |
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font_02_sfnt_off0000a5d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5D7 | 18104 bytes |
SHA-256: 376a0f57cd5777ba115f4b62cd919ceded82b0ae3a6d9963216dbcf885295ba3 |
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font_03_sfnt_off0000c120.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC120 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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