MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a sensationalized headline about HIV cures, likely intended to trick the user into clicking the embedded link. This link points to a known malicious redirector, which is designed to lead users to further malicious content or phishing sites. The document also contains a large number of links to external PDFs, suggesting a link farm or SEO poisoning tactic. No scripts were extracted, but the presence of a malicious redirector and the lure content strongly indicate a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=hiv+reported+cured+in+second+patient
- http://files.zebradental.co.uk/uploads/1/3/1/4/131437311/7002933.pdf
- http://files.patelp.com/uploads/1/3/1/3/131381428/3681553.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/6958/8124/files/wobovaxapifopalamisofan.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fenajowogotuxukat.pdf
- https://cdn.shopify.com/s/files/1/0433/0727/0312/files/chakravyuha_movie_songs_in_kannada.pdf
- https://cdn.shopify.com/s/files/1/0437/0454/9531/files/aua_guidelines_prostate_cancer_staging.pdf
- https://cdn.shopify.com/s/files/1/0429/5802/8959/files/nexikobobisugi.pdf
- https://cdn.shopify.com/s/files/1/0430/4823/9257/files/asia_river_map.pdf
- https://cdn.shopify.com/s/files/1/0431/5352/2850/files/ds_emulator_mac.pdf
- https://cdn.shopify.com/s/files/1/0427/7708/4070/files/30875048597.pdf
- https://cdn.shopify.com/s/files/1/0444/7895/5687/files/airbus_a320_cockpit_panels.pdf
- https://cdn.shopify.com/s/files/1/0431/8609/4248/files/hazmat_incident_report_form.pdf
- https://cdn.shopify.com/s/files/1/0431/5512/8477/files/teregure.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007a17.binf04eec55152e8cf875da979b3e95a9e8b01df7862b90ff7e6049f92299299b2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A17 | 5056 bytes |
font_01_sfnt_off00008b50.binfab5031796311299c455b9e966d640439895b3d4589d6f1d0900e92413aeb39b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B50 | 10312 bytes |
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