MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which, 'https://ttraff.ru/pify?keyword=arms+workout+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to 'arms workout pdf'. The presence of numerous other links, many hosted on Shopify, indicates a potential link farm or SEO manipulation 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.ru/pify?keyword=arms+workout+pdf
- http://files.phimi.pt/uploads/1/3/0/8/130874394/4f570e6.pdf
- http://files.supercoolyconcepts.com/uploads/1/3/1/4/131437276/d832f548.pdf
- http://files.cometsathleticboosters.com/uploads/1/3/1/3/131384025/193607.pdf
- https://cdn.shopify.com/s/files/1/0432/0657/4238/files/dadub.pdf
- https://cdn.shopify.com/s/files/1/0428/1883/0492/files/23357527713.pdf
- https://cdn.shopify.com/s/files/1/0433/8204/6869/files/had_better_should_ought_to_exercise.pdf
- https://cdn.shopify.com/s/files/1/0434/3883/3816/files/english_amharic_phrases.pdf
- https://cdn.shopify.com/s/files/1/0428/2476/1510/files/vilumirujolovow.pdf
- https://cdn.shopify.com/s/files/1/0431/7249/5524/files/clinical_pharmacy_and_therapeutics_free.pdf
- https://cdn.shopify.com/s/files/1/0434/1517/5335/files/gubamamulirunawemozekupex.pdf
- https://cdn.shopify.com/s/files/1/0429/1536/5031/files/funowajot.pdf
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/walk_behind_sickle_mowers.pdf
- https://cdn.shopify.com/s/files/1/0431/1403/7409/files/befekunimejedixam.pdf
- https://cdn.shopify.com/s/files/1/0434/1484/7655/files/gta_vice_city_cheat_file.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_off000068f3.bin3adc74938fe1e2e99f70b8e664e09638aeffdc61476678beb6294eb39b994d10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68F3 | 5092 bytes |
font_01_sfnt_off00007a49.bin15aaa7571734e87e02f10a941294371e9aada5049ab0bbf31d835888b0d1094e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A49 | 10248 bytes |
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