MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the suspicious URL, suggesting a lure to external content. The presence of multiple PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the ultimate destination.
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=defensa+nacional+peru+pdf
- http://gapabu.avhscoreacademy.com/uploads/1/3/1/0/131070450/wutix.pdf
- http://sejub.pfcpid.com/uploads/1/3/2/6/132695569/viminujuvus.pdf
- http://romazujun.victoriamarini.com/uploads/1/3/1/3/131379874/wofosedolelefuni.pdf
- http://files.aflunky.com/uploads/1/3/0/9/130970016/6859e.pdf
- https://cdn.shopify
- https://cdn.shopify.com/s/files/1/0438/4233/8981/files/bilugamumotulebetowa.pdf
- https://cdn.shopify.com/s/files/1/0437/2869/9553/files/tina_fey_bossypants_pictures.pdf
- https://cdn.shopify.com/s/files/1/0434/3509/8264/files/tinoxitofewamimefixarono.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94448736580.pdf
- https://cdn.shopify.com/s/files/1/0439/2157/2008/files/charles_correa_belapur_housing.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94393320092.pdf
- https://cdn.shopify.com/s/files/1/0434/5217/0392/files/fizogitadufuloj.pdf
- https://cdn.shopify.com/s/files/1/0438/1245/4557/files/dekerawodaribizi.pdf
- https://cdn.shopify.com/s/files/1/0432/6716/2276/files/8862363821.pdf
- https://cdn.shopify.com/s/files/1/0432/3809/7051/files/72201929979.pdf
- https://cdn.shopify.com/s/files/1/0433/6916/9054/files/attestation_sur_l_honneur_de_prise_en_charge.pdf
- https://cdn.shopify.com/s/files/1/0430/5063/1319/files/36832671690.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_off0000669f.bin986390f157891d97871e13adf98bbc0ae288f0d166ef0f417e5bbfa2c3b552e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x669F | 5148 bytes |
font_01_sfnt_off00007831.bin046437080f22e2f5eb1a129244b472e4776a368fdc400ef22d2e003008ef6dea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7831 | 10908 bytes |
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