MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a deceptive lure, presenting itself as a free download for 'Railway psychological test books'. It embeds numerous links, with the primary one redirecting to malicious infrastructure at `ttraff.cc`. This suggests a phishing or scam attempt designed to lead users to harmful content. No scripts were extracted, and the document body is heavily obfuscated, but the presence of a malicious redirector and a link farm strongly indicates malicious intent.
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=railway+psychological+test+books+pdf+free+download+in+english In PDF document text
- http://files.heartlandzen.org/uploads/1/3/1/3/131397973/gibujiserabaref.pdfIn PDF document text
- http://files.redmousedesigns.com/uploads/1/3/1/4/131454090/4f681.pdfIn PDF document text
- http://files.coveredplanet.com/uploads/1/3/2/7/132740291/somatokesoralar-dikagujobikiz-siferulakava.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/1/0429/7526/4919/files/51746272324.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4011/1782/files/zixiluloduwizim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0610/7552/files/judiputesasimogidiwusez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4926/3005/files/36647218348.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9043/4456/files/9368899801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1774/6070/files/xitiva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5811/0363/files/critical_strike_no_cooldown_script.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7754/1791/files/bewirifesibalekojitap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1315/2673/files/number_2_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8746/9471/files/bupariligibamuroxukege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7311/7091/files/zojajemumurevegivumer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1542/1599/files/wekuxux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2314/6906/files/devulufi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6173/0719/files/jutokokiziruwozu.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_off000058e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58E3 | 5824 bytes |
SHA-256: ad34777eba81cb01a644b296d27002d5339acaf792a26a3bc7a93952b00c1fea |
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font_01_sfnt_off00006cc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CC0 | 2116 bytes |
SHA-256: 33d80b5e357abfa3ea91f5eff18928953f8e36d8e9a7aea158c838e8ae756dd9 |
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font_02_sfnt_off0000768a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x768A | 15372 bytes |
SHA-256: d24d1d977bd9029dde938dbefc6bc5d35bf1392ad18c538e61637ab25c51de1a |
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