MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. It also features a large number of external PDF links, suggesting a link farm for SEO manipulation or to distribute malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a 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.ru/wb?keyword=vegetable%20tanning%20process%20pdf
- http://files.momtomomsales.net/uploads/1/3/0/7/130775907/babawutu.pdf
- http://jaleful.gamesofcolors.com/uploads/1/3/2/8/132814930/sajep.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/9582/5314/files/big_data_complete_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0432/0182/2875/files/86803470854.pdf
- https://cdn.shopify.com/s/files/1/0433/9708/7390/files/iehp_prior_authorization_form.pdf
- https://cdn.shopify.com/s/files/1/0427/8039/3639/files/xibemitexuxusisuwarob.pdf
- https://cdn.shopify.com/s/files/1/0434/6858/7174/files/personal_finance_keown_6th_edition.pdf
- https://cdn.shopify.com/s/files/1/0437/6100/8791/files/signs_and_symptoms_of_heart_failure.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/puneson.pdf
- https://cdn.shopify.com/s/files/1/0439/2707/7032/files/96067560880.pdf
- https://cdn.shopify.com/s/files/1/0436/0182/1859/files/deramusujafadomusejuvelal.pdf
- https://cdn.shopify.com/s/files/1/0427/9340/2524/files/gibovavanowawameliledaxaj.pdf
- https://cdn.shopify.com/s/files/1/0428/0107/0247/files/27088972352.pdf
- https://cdn.shopify.com/s/files/1/0432/6657/2443/files/boperixafev.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008489.bin921f996bc35377e983c4c80379f5654579c1ee79f8be56d4ffa41adc93a47ab4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8489 | 5428 bytes |
font_01_sfnt_off00009703.bin0236a3b2950e3db6860dabf85599aed1f7e9ab42da0c436833704230afe45531 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9703 | 10404 bytes |
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