MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to external sites, which is indicative of a link farm or SEO poisoning attack. One critical heuristic identified a link to known malicious redirector infrastructure at ttraff.cc. The document body, though malformed, contains the title 'Enfoques de calidad de vida en el trabajo pdf', suggesting a lure to disguise the malicious intent. 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=enfoques+de+calidad+de+vida+en+el+trabajo+pdf In PDF document text
- http://files.corporatechilllout.com/uploads/1/3/1/3/131384636/kapebef.pdfIn PDF document text
- http://doxuw.contactshield.net/uploads/1/3/0/7/130739553/3577683.pdfIn PDF document text
- http://firuju.adrienmatray.com/uploads/1/3/1/4/131453177/35db1b126eb.pdfIn PDF document text
- http://files.nicholaspaulmccarty.com/uploads/1/3/0/7/130775192/wamijojul.pdfIn PDF document text
- http://files.internationalpsychologyandhealing.com/uploads/1/3/0/9/130969695/2e4063cfd30888b.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/1/0433/0687/7080/files/38608120386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3502/5830/files/bulletproof_diet_infographic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8721/6293/files/tuwurigotizutafeju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5725/9420/files/19971081221.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1903/2987/files/2013_dodge_dart_fuse_box_diagram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1695/3751/files/january_2020_calendar_marathi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0564/8807/files/wudaxeporun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1097/4111/files/xirawukojenaxunafawin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1632/1184/files/sedobopotazesurefofamu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6942/3257/files/75860000491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0510/8636/files/pujujijesafoletem.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_off00009265.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9265 | 5388 bytes |
SHA-256: 7f6df0bc5d4eb9d8a117f6b723b7034d99da13e027479001d8fa0eb3f602de87 |
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font_01_sfnt_off0000a4ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4CA | 11844 bytes |
SHA-256: a4b7a899f2a2286dc585aa7fdbd0827642f6fd80c9f73f1bc8a9e203a3e7fcca |
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font_02_sfnt_off0000ca62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA62 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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