MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, includes text related to 'binomial pricing model pdf', suggesting a lure. The primary malicious IOC is the redirector URL, which likely leads to further 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=binomial+pricing+model+pdf
- http://files.reelteach.com/uploads/1/3/0/9/130969465/nigeweg.pdf
- http://files.nulineeducon.com/uploads/1/3/1/3/131381518/kitojugum_junipagegox_lugoba.pdf
- http://files.signedjuanita.com/uploads/1/3/2/6/132683292/5257496.pdf
- http://files.reelteach.com/uploads/1/3/0/9/130969465/nigeweg.p
- https://cdn.shopify.com/s/files/1/0430/9463/8749/files/50320332540.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pelezegagujagemubejapo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/67331216746.pdf
- https://cdn.shopify.com/s/files/1/0430/6717/9162/files/kidafibid.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ketotojugidumirazi.pdf
- https://cdn.shopify.com/s/files/1/0429/4760/8730/files/vedusakaguxifexeki.pdf
- https://cdn.shopify.com/s/files/1/0431/6463/1195/files/janegopowirivevarinujo.pdf
- https://cdn.shopify.com/s/files/1/0428/9452/4579/files/43658910919.pdf
- https://cdn.shopify.com/s/files/1/0431/1459/4466/files/34495368589.pdf
- https://cdn.shopify.com/s/files/1/0435/5158/8507/files/xitavixupajuvado.pdf
- https://cdn.shopify.com/s/files/1/0431/7046/3895/files/25098823856.pdf
- https://cdn.shopify.com/s/files/1/0432/5038/5051/files/75231748141.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_off000076ad.bin24d52e20bdf09a6baa1076adbff0beef5b78c2e8781c1987dd733d4687013abd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76AD | 5056 bytes |
font_01_sfnt_off000087a6.bin2d14bb69c94cca7cd7e23eadadc3e5c07ad0008479da53eb3f369ad58183d85e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87A6 | 12688 bytes |
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