MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains a critical heuristic firing for a malicious redirector link. The document body, though heavily obfuscated, contains the URL that triggered the redirector heuristic. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to distribute malicious content.
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.com/pify?keyword=contexto+social+de+la+profesion+descargar+pdf
- http://files.halfbakedrant.com/uploads/1/3/1/8/131871569/zolizunuwi-pamexoniperu-gijufiwumeso.pdf
- http://files.drmldr.com/uploads/1/3/0/8/130813837/eb819529.pdf
- http://files.perhappened.com/uploads/1/3/1/1/131164153/tekidimuvani_bafasajo_tetuvukoweni.pdf
- https://cdn.shopify.com/s/files/1/0427/7737/8972/files/tizirozedina.pdf
- https://cdn.shopify.com/s/files/1/0433/0124/0985/files/65227310677.pdf
- https://cdn.shopify.com/s/files/1/0448/4985/6669/files/oral_medicine_journal.pdf
- https://cdn.shopify.com/s/files/1/0431/2884/8538/files/52181079120.pdf
- https://cdn.shopify.com/s/files/1/0437/0412/3557/files/94440016609.pdf
- https://cdn.shopify.com/s/files/1/0431/1921/4756/files/80020605689.pdf
- https://cdn.shopify.com/s/files/1/0428/8305/5782/files/45173362077.pdf
- https://cdn.shopify.com/s/files/1/0431/5552/1700/files/mafibevapewefuvuwate.pdf
- https://cdn.shopify.com/s/files/1/0431/9713/7056/files/43671007554.pdf
- https://cdn.shopify.com/s/files/1/0437/6500/6494/files/pibudagukugojorizipawob.pdf
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/ectomorph_workout.pdf
- https://cdn.shopify.com/s/files/1/0428/3580/4319/files/99611574968.pdf
- https://cdn.shopify.com/s/files/1/0437/7529/5640/files/aromatic_compounds_mcqs.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b79.binf7637cd4054ff4d3ee7fe52d0c6932e7a0f646d9c80e3d0ab7bad95b8045f56b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B79 | 5296 bytes |
font_01_sfnt_off00007d8f.bin9cbe28b9cd70d76bafeca2415c29ff669f61c2a7d4657651dc6b945b4121980c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D8F | 10640 bytes |
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