MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as search engine results, with a primary malicious redirector URL. The document body, though garbled, contains keywords related to PC building simulators and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly indicated maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a known malicious redirector.
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=pc+building+simulator++full+free
- http://files.nowpsychiatry.com/uploads/1/3/2/7/132710743/pemupujuweper_zasosisewusolod.pdf
- https://cdn.shopify.com/s/files/1/0428/8266/2553/files/tovisosarijinatizirug.pdf
- https://cdn.shopify.com/s/files/1/0436/5441/4494/files/33062506228.pdf
- https://cdn.shopify.com/s/files/1/0435/9330/2178/files/pathfinder_inner_sea_world_guide_free.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51439980706.pdf
- https://cdn.shopify.com/s/files/1/0431/9831/6707/files/53466512905.pdf
- https://cdn.shopify.com/s/files/1/0428/6211/7020/files/gathering_storm_40k.pdf
- https://cdn.shopify.com/s/files/1/0428/2315/5878/files/lemediba.pdf
- https://cdn.shopify.com/s/files/1/0432/6732/6110/files/chirru_kannada_movie_songs.pdf
- https://cdn.shopify.com/s/files/1/0437/3040/3477/files/nadi_astrology_books_free.pdf
- https://cdn.shopify.com/s/files/1/0431/7046/3912/files/javascript_sort_by_date.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_off0000690a.bincf33ee94479167c92dcce0b9237bdf3a51946463b68ceb6a07a82a41d38d7f59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x690A | 5484 bytes |
font_01_sfnt_off00007b88.bindf9c7d7da3cd3a89a7eebaae4f83722a6ba4c54078f0c9c21e97b448cd0d1617 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B88 | 10896 bytes |
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