MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF file contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is 'https://ttraff.ru/pify?keyword=bhopal+gas+disaster+pdf', which is part of a link farm designed to attract search engine traffic. The document body, though heavily obfuscated, contains references to the Bhopal gas disaster, likely as a lure to entice users to click the malicious link. No scripts were extracted, but the presence of numerous links and the redirector heuristic strongly suggest a phishing or redirection attack.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=bhopal+gas+disaster+pdf In PDF document text
- http://files.impact2success.org/uploads/1/3/1/6/131636828/e94500cd.pdfIn PDF document text
- http://files.carpenterbeeinteriors.com/uploads/1/3/0/8/130813821/repenunududebibu.pdfIn PDF document text
- http://files.straitduckguideservice.com/uploads/1/3/2/8/132814306/8878695.pdfIn PDF document text
- http://files.100womenquinte.com/uploads/1/3/0/9/130969472/gapirumepud.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/1/0437/4432/9877/files/letevipegitutekazak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4681/4374/files/janujes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4210/6518/files/sunudivubinuser.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8261/0843/files/android_tutorial_for_beginners_w3schools.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7519/0422/files/94736289112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6332/0469/files/mixipox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6916/1110/files/jinevuxabuvogafinesakiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6604/8165/files/fesawadetomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6842/2309/files/stewart_calculus_early_transcendentals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5787/2033/files/bokukatuxewevoduvepuvip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3631/9639/files/degotegeguzegipalenexiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4228/2399/files/47585973187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1352/8987/files/autocad_architecture_tutorial.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001805a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1805A | 5352 bytes |
SHA-256: 4ac556e3dff470559000e7b05f5475adaa9aa5859c0600284af5429637a363ac |
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font_01_sfnt_off00019284.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19284 | 11044 bytes |
SHA-256: 4d114e530e1af18c66b031f066a637c7ad68a0f3353708f85a893476e35e1809 |
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font_02_sfnt_off0001b7b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B7B8 | 16164 bytes |
SHA-256: ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8 |
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