MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a redirector service, which in turn leads to a link farm of other PDFs. The document body, though heavily obfuscated, contains text related to 'Logo quiz world answers level 8', suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content. The primary malicious IOC is the redirector URL.
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=logo+quiz+world+answers+level+8
- http://dofap.challenge2grow.be/uploads/1/3/0/8/130873998/fujiwesotafa.pdf
- http://xusivuvil.thesilvergoddessjoanib.com/uploads/1/3/0/8/130814328/levixob_vuzal.pdf
- https://cdn.shopify.com/s/files/1/0434/0826/1276/files/jaxafumiforugejaloxakowi.pdf
- https://cdn.shopify.com/s/files/1/0440/2210/4222/files/37361136198.pdf
- https://cdn.shopify.com/s/files/1/0449/4698/1023/files/beautiful_things_gungor.pdf
- https://cdn.shopify.com/s/files/1/0431/4241/4493/files/34036990767.pdf
- https://cdn.shopify.com/s/files/1/0452/5775/2733/files/jemiremutuvokuludi.pdf
- https://cdn.shopify.com/s/files/1/0434/6550/6966/files/81343418441.pdf
- https://cdn.shopify.com/s/files/1/0433/0238/7867/files/pabonegukupipiwu.pdf
- https://cdn.shopify.com/s/files/1/0437/1080/8213/files/twerski_addictive_thinking.pdf
- https://cdn.shopify.com/s/files/1/0437/1264/3223/files/data_analytics_tutorial_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0434/2048/3751/files/8161801142.pdf
- https://cdn.shopify.com/s/files/1/0432/7217/5781/files/nisasagezodewodetomapejew.pdf
- https://cdn.shopify.com/s/files/1/0435/4621/4564/files/detroit_lions_injury_report_for_week_6.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_off00004fbb.bin01cb757de08d44ee1ad35477c739cc522b31fe7dc2c7e145a357d6f919e194b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FBB | 5456 bytes |
font_01_sfnt_off00006270.bin2a528692b7ddff7c99648c68f391f0f0e210dd11626974b4f76652f5de257fe8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6270 | 9892 bytes |
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