MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF document contains multiple embedded links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though partially corrupted, contains text suggesting it is a lure for "Surgery shelf exam review". The presence of a malicious redirector and the SEO link farm heuristic indicate an attempt to drive traffic to malicious infrastructure. The ML classifier strongly supports the malicious verdict.
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/wix?keyword=surgery+shelf+exam+review
- https://cdn.shopify.com/s/files/1/0433/3305/8715/files/38737350265.pdf
- https://cdn.shopify.com/s/files/1/0430/4168/5665/files/28281800733.pdf
- https://cdn.shopify.com/s/files/1/0430/2487/5674/files/79230640610.pdf
- https://cdn.shopify.com/s/files/1/0437/6258/1658/files/taxonomic_keys_in_zoology.pdf
- https://static.usrfiles.com/ugd/b8c837_ea145fc830984c73b15303f77353c4a6.pdf
- https://static.usrfiles.com/ugd/d01287_6fc1c89bd5e34615be41754b5cb7ca73.pdf
- https://cdn.shopify.com/s/files/1/0440/6706/1925/files/pezevozad.pdf
- https://cdn.shopify.com/s/files/1/0431/8140/8420/files/media_player_classic_full_codec.pdf
- https://cdn.shopify.com/s/files/1/0435/2717/6343/files/hydrant_flow_test_report.pdf
- https://cdn.shopify.com/s/files/1/0433/7994/9718/files/24744637859.pdf
- https://cdn.shopify.com/s/files/1/0427/5604/7004/files/d_d_5e_character_sheet_printable.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006699.bin762e4eafabe968a220cf37b5c6d1a41ddb77bd9499a7af3b8b9310cb1672e393 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6699 | 5192 bytes |
font_01_sfnt_off00007858.bin838b2ace4bc9dde7c7858a82e6b112f17d7d9b383b43fdd91d0c585b8c4416dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7858 | 11168 bytes |
font_02_sfnt_off00009e4f.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E4F | 4324 bytes |
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