MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the same as the one flagged by the heuristic. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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.cc/wix?keyword=hershel+and+the+hanukkah+goblins+pdf
- https://cdn.shopify.com/s/files/1/0431/8016/3227/files/16820433224.pdf
- https://cdn.shopify.com/s/files/1/0431/7511/6959/files/tijimexudojezugi.pdf
- https://cdn.shopify.com/s/files/1/0437/7087/1970/files/51373259274.pdf
- https://cdn.shopify.com/s/files/1/0430/6114/9850/files/restaurar_backup_whatsapp_android_no_iphone.pdf
- https://cdn.shopify.com/s/files/1/0432/5507/0880/files/rebivi.pdf
- https://static.usrfiles.com/ugd/2813e2_c701a1bb7d7c47eb9e07d4f446810ca8.pdf
- https://static.usrfiles.com/ugd/c7ef1a_464cefc6da28470b94d865d104c4f6d8.pdf
- https://cdn.shopify.com/s/files/1/0436/8351/2473/files/carcinoma_basocelular_fisiopatologia.pdf
- https://cdn.shopify.com/s/files/1/0433/9371/2286/files/45263795183.pdf
- https://cdn.shopify.com/s/files/1/0429/8738/9087/files/vizafe.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/digalikerewuxajevukadud.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057a4.bin2a0677dfd290cac92cc25a9161f6e1bc386543080cabb69d9f4ecc2cc93f860d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57A4 | 5468 bytes |
font_01_sfnt_off00006a28.bina7fc7cacf1be786a5d3ea30ed8d639d6912c7db9f182b18e2a2be79203d3d3fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A28 | 10032 bytes |
font_02_sfnt_off00008cb5.bin9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CB5 | 16092 bytes |
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