MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, references 'Hadoop beginner's guide' and includes the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic points to a large number of outbound links, typical of SEO poisoning or link farm abuse.
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=hadoop+beginner%2527s+guide+by+garry+turkington
- https://static.usrfiles.com/ugd/b8c837_b207ad7ef46945b7889860c5efc70661.pdf
- https://static.usrfiles.com/ugd/b88e3d_f8edc61e1d98436386329e0071eb0e49.pdf
- https://static.usrfiles.com/ugd/b8c837_31ae5b9fda44486e9c06b3ae4c9525ad.pdf
- https://static.usrfiles.com/ugd/0bcf16_7847def550f34cee93dcfaede764eb54.pdf
- https://cdn.shopify.com/s/files/1/0439/1721/3864/files/federal_circuit_docketing_statement_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0430/0223/2983/files/abhay_film_video_songs.pdf
- https://cdn.shopify.com/s/files/1/0431/9009/1940/files/50954730907.pdf
- https://static.usrfiles.com/ugd/b8c837_3d4187b9a0dc4ddfaf08550547ff3873.pdf
- https://static.usrfiles.com/ugd/b11f6d_c5f4359b83ff49179ea7a54b8c5052b4.pdf
- https://static.usrfiles.com/ugd/b8c837_cc5c1ca9c9a94096a5d4d6580337202a.pdf
- https://static.usrfiles.com/ugd/3aca14_6eeeb72611a64507aad339a710b9778d.pdf
- https://static.usrfiles.com/ugd/b8c837_89cef761142c4c779db0111a0104eadd.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_off000064dc.bin8574919c7c8a9f024103958ce015253c5a24b8e646cdb5f787658918713f2b2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DC | 3080 bytes |
font_01_sfnt_off00006fe4.bin971bf1261e0d49c1348c86151644937b3b665e36f11766112acab1bdf0bec3b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FE4 | 5396 bytes |
font_02_sfnt_off00008255.bin6b17f40032ed54802e0079e68f00a3df7eb99aef801ba8b9a2821336821e8596 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8255 | 10032 bytes |
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