MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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.cc/pify?keyword=skyrim+fullscreen+windowed
- http://files.khaagwa.org/uploads/1/3/1/6/131637056/1681961.pdf
- http://files.labsavvy.org/uploads/1/3/2/6/132695746/novopokozi.pdf
- http://files.barriointellect.com/uploads/1/3/2/7/132740321/104c7d.pdf
- http://files.academictranscripts.com.au/uploads/1/3/0/7/130740625/tafefuf.pdf
- https://cdn.shopify.com/s/files/1/0437/3518/7605/files/delete_discord_server.pdf
- https://cdn.shopify.com/s/files/1/0428/4468/4454/files/discrete_mathematical_structures_6th_edition_kolman.pdf
- https://cdn.shopify.com/s/files/1/0433/4583/8234/files/vadirimusepaworowu.pdf
- https://cdn.shopify.com/s/files/1/0430/9699/8048/files/38001624653.pdf
- https://cdn.shopify.com/s/files/1/0435/3966/0954/files/aadhar_card_photo_change_form.pdf
- https://cdn.shopify.com/s/files/1/0433/5920/7582/files/xaradonenuzegajuvake.pdf
- https://cdn.shopify.com/s/files/1/0432/3583/6061/files/2746966715.pdf
- https://cdn.shopify.com/s/files/1/0431/7370/7925/files/64639676550.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96280370261.pdf
- https://cdn.shopify.com/s/files/1/0433/0763/0747/files/certificat_de_vie_commune.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_off00006b6d.bin5bf935ac59787cdb03b900cf6235ab48a8a53fea5d232eb1d0c50be1de235cd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B6D | 5320 bytes |
font_01_sfnt_off00007d82.bin4f1f8e067aa8a658f85849a1aaa740d304e28fc88683def678ee8ce211693ff8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D82 | 10280 bytes |
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