MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a free PDF download, indicating a lure. The presence of numerous external links, many pointing to seemingly unrelated domains, suggests a link farm or SEO poisoning tactic to distribute the 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.ru/pify?keyword=human+anatomy+and+physiology+2nd+edition+pdf+free
- http://files.willowfree.ca/uploads/1/3/0/7/130740344/xiwodufa.pdf
- http://files.scottmassagetherapy.com/uploads/1/3/0/8/130874333/nuwigilur.pdf
- http://files.coxfalconbaseball.com/uploads/1/3/1/6/131606546/7083718.pdf
- http://files.maknjacks.com/uploads/1/3/1/1/131164556/6877733.pdf
- http://files.tonysaladinobaseballtournament.com/uploads/1/3/2/7/132740804/3405880.pdf
- https://cdn.shopify.com/s/files/1/0436/1040/7069/files/45403596797.pdf
- https://cdn.shopify.com/s/files/1/0432/5982/2243/files/42684414320.pdf
- https://cdn.shopify.com/s/files/1/0432/8148/1884/files/20187295723.pdf
- https://cdn.shopify.com/s/files/1/0428/3393/6547/files/nuselejebifulozameka.pdf
- https://cdn.shopify.com/s/files/1/0433/5481/6665/files/41487569585.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66541571973.pdf
- https://cdn.shopify.com/s/files/1/0432/1034/2559/files/jipukirutezaselaka.pdf
- https://cdn.shopify.com/s/files/1/0430/8199/0304/files/35876435945.pdf
- https://cdn.shopify.com/s/files/1/0429/2011/6387/files/kofib.pdf
- https://cdn.shopify.com/s/files/1/0434/9358/9142/files/gusomazimewog.pdf
- https://cdn.shopify.com/s/files/1/0430/3529/5905/files/jizavubosulesufa.pdf
- https://cdn.shopify.com/s/files/1/0440/5238/1846/files/sebavozobitosulodut.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_off0000699b.bin0ef62132e45ab856a57787a0baa2eca9ad910681c83d0e083fe02195c74fc303 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x699B | 5652 bytes |
font_01_sfnt_off00007cb2.bin0aa3a1dab98202605817f583fedf52b892de01597720326da31bf21bc32d4f74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CB2 | 10740 bytes |
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