MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a "matrix math pdf" and hosts a large number of external PDF links, characteristic of a link farm. The ML classifier strongly indicated maliciousness. 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.com/pify?keyword=matrix+math+pdf
- http://files.moonspherestudios.com/uploads/1/3/1/3/131383838/zisuforutigel-vomexolokonenon-xizujabufaz-jisumegu.pdf
- http://files.roygrayphotography.co.uk/uploads/1/3/1/8/131856531/jufepezoz.pdf
- http://files.rspfitness.com/uploads/1/3/2/6/132681476/19acc74241.pdf
- http://files.nkp.rocks/uploads/1/3/1/8/131857758/ff2ce69fb23a.pdf
- http://files.exuviateesthetics.com/uploads/1/3/1/6/131607522/jabob-lanazu.pdf
- https://cdn.shopify.com/s/files/1/0431/9808/7328/files/speech_trainer_skyrim.pdf
- https://cdn.shopify.com/s/files/1/0431/7986/8309/files/nozaxuvalebugozoz.pdf
- https://cdn.shopify.com/s/files/1/0430/0298/6659/files/68138743103.pdf
- https://cdn.shopify.com/s/files/1/0428/2191/0687/files/73013639530.pdf
- https://cdn.shopify.com/s/files/1/0439/4539/4331/files/rusig.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/sebobakixej.pdf
- https://cdn.shopify.com/s/files/1/0433/8991/1194/files/xelelojavatutikok.pdf
- https://cdn.shopify.com/s/files/1/0434/0862/1719/files/dadegusemo.pdf
- https://cdn.shopify.com/s/files/1/0429/0691/0876/files/48468214667.pdf
- https://cdn.shopify.com/s/files/1/0433/6808/7701/files/97405556567.pdf
- https://cdn.shopify.com/s/files/1/0434/8579/0365/files/5783802235.pdf
- https://cdn.shopify.com/s/files/1/0429/6038/8252/files/fipezuweligogipokatew.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_off00008646.bina918668969b47406fc347ced9c1849220ab8fae993677d5deb048606f3f2b198 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8646 | 5144 bytes |
font_01_sfnt_off000097ac.bin164681b532d25cae96da6558c689eeeaa4f26931014a77643945098095dfdb41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97AC | 10360 bytes |
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