MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains the same URL and a title that appears to be a lure. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic suggests a large number of outbound links were generated, likely for SEO poisoning or to distribute the malicious payload.
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/wb?keyword=mecanismo%20de%20accion%20del%20sildenafilo%20pdf
- http://files.annagalatirealtor.com/uploads/1/3/0/7/130776718/979473.pdf
- http://files.counsellingandyouthwork.com/uploads/1/3/1/1/131164442/3925456.pdf
- http://files.cottontailjones.com/uploads/1/3/0/9/130969825/relalegazafub-fejebinug.pdf
- http://files.10-yranch.com/uploads/1/3/1/1/131163492/6560581.pdf
- https://cdn.shopify.com/s/files/1/0432/5575/9011/files/25604295748.pdf
- https://cdn.shopify.com/s/files/1/0431/0623/8626/files/adventurer_s_vault.pdf
- https://cdn.shopify.com/s/files/1/0440/0336/0926/files/mathematics_notation.pdf
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/risorisutomunewawudo.pdf
- https://cdn.shopify.com/s/files/1/0429/2493/3283/files/balanced_diet_plate.pdf
- https://cdn.shopify.com/s/files/1/0428/5785/7187/files/34244730101.pdf
- https://cdn.shopify.com/s/files/1/0437/7113/4106/files/fruity_loops_for_mac.pdf
- https://cdn.shopify.com/s/files/1/0430/4335/6821/files/sewudijexuderutaxawanawu.pdf
- https://cdn.shopify.com/s/files/1/0437/6471/1575/files/class_d_water_license_practice_test.pdf
- https://cdn.shopify.com/s/files/1/0450/4364/6614/files/capteur_d_humidit.pdf
- https://cdn.shopify.com/s/files/1/0430/3159/3113/files/wuliwijap.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_off00007dad.bin95f9ab61f86c05cd6b2ba4d8a69df9f4ca775f2be2611b3712842d6db9e11bc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DAD | 5212 bytes |
font_01_sfnt_off00008f68.bind191c4080fc1ec9d529a46541ec2db28615f77df6376e664a4b929525ca6742c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F68 | 12260 bytes |
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