MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links, including one pointing to a known malicious redirector. The document body, though partially corrupted, includes text related to 'payback period exam questions and answers' and the malicious URL, suggesting a lure to a phishing or scam site. The presence of many external PDF links also indicates a link farm, likely for SEO manipulation or to host 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=payback+period+exam+questions+and+answers
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/8531/4715/files/likumuma.pdf
- https://cdn.shopify.com/s/files/1/0438/3113/2322/files/army_cyber_awareness.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/66041627676.pdf
- https://cdn.shopify.com/s/files/1/0432/4560/0936/files/bupijuguw.pdf
- https://cdn.shopify.com/s/files/1/0432/0867/1394/files/femilosedomuk.pdf
- https://static.usrfiles.com/ugd/b8c837_2543ab1ed7d14a999ebfdb3c54418f23.pdf
- https://static.usrfiles.com/ugd/09273f_403041d6e6e74292945b605b7037b4b1.pdf
- https://static.usrfiles.com/ugd/4c76bf_3f15c97322aa4d8d886017c0e0daa4af.pdf
- https://static.usrfiles.com/ugd/d54300_4dde9aa1aae44c738b1939e2c35bd697.pdf
- https://static.usrfiles.com/ugd/b8c837_6f951d23e3b24488b3288d3dd7a97ed9.pdf
- https://cdn.shopify.com/s/files/1/0437/2345/6661/files/10284709612.pdf
- https://cdn.shopify.com/s/files/1/0430/1671/6437/files/71179216562.pdf
- https://cdn.shopify.com/s/files/1/0431/2242/6013/files/77647732001.pdf
- https://cdn.shopify.com/s/files/1/0433/3387/7914/files/invitation_to_tender_template_building_works.pdf
- https://cdn.shopify.com/s/files/1/0428/6706/4991/files/92863455832.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_off00006f60.bin35dfb6bb85e200b71ef716786a20dc91ea5af9c6447269a354c8fc85dac81f3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F60 | 5780 bytes |
font_01_sfnt_off0000830c.bincc53afff0baf656ca452eec1b685d74013cae06521e6961d5eff87fbfe624a8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x830C | 10332 bytes |
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