MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links designed to create a link farm, with a primary malicious redirector URL identified. The document body, though heavily obfuscated, contains the malicious URL, suggesting an attempt to lure the user to a phishing or malware distribution site. The ML classifier strongly indicates maliciousness, and the presence of redirector links points to a phishing or credential harvesting attempt.
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.cc/pify?keyword=pediatric+febrile+neutropenia+guidelines+2017 In PDF document text
- http://files.reaganinmyownworld.com/uploads/1/3/0/7/130738614/f277a2dd.pdfIn PDF document text
- http://nabopaler.personcoeducationfoundation.org/uploads/1/3/1/3/131379678/gurunogokos.pdfIn PDF document text
- http://japanak.peacecorpsunion.com/uploads/1/3/1/8/131871390/saxerulovajasulunez.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/1/0438/4302/7106/files/4098762061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0358/8258/files/84311017962.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6048/5541/files/22719275.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1908/2655/files/13364729546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6641/7571/files/22980256226.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6983/2354/files/anemia_kekurangan_zat_besi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8667/6135/files/hallelujah_choir_sheet_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8211/9323/files/47072491381.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5036/8152/files/82375886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6302/5559/files/barricades_mystrieuses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6350/9146/files/7146395340.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7164/2527/files/adobe_illustrator_cs2_tutorials_for_beginners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0044/6626/files/30432454531.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007c2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C2F | 5872 bytes |
SHA-256: d24026c4a666a8b5e06e4ac71ee46e250a67b539f73b637ac42e8580a7f00910 |
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font_01_sfnt_off0000903f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x903F | 10816 bytes |
SHA-256: 52cc1e9d0a6d2bd2ec128d27fbb647987e8ae1e64b23ea78bf27d876d54c87f2 |
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