MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high density of embedded links, many pointing to external resources, which is indicative of a link farm or redirection tactic. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a URL leading to known malicious infrastructure. The ML classifier also strongly suggests maliciousness. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=lizardmen+guide+warhammer, which is likely used to redirect the user to a malicious site.
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/pify?keyword=lizardmen+guide+warhammer
- http://files.stjohnwc.org/uploads/1/3/1/8/131871980/a27e927d4d3.pdf
- http://vavabi.myswimplatform.com/uploads/1/3/0/8/130814070/pepilidasu-pugikiki-zatunaxites-guvuratoz.pdf
- http://kililugo.paintedtreasuresdenver.com/uploads/1/3/0/7/130775166/dajatap_jekeb_penepedapujes.pdf
- http://files.dognationmotors.com/uploads/1/3/1/3/131384171/zatow.pdf
- https://cdn.shopify.com/s/files/1/0427/6482/8838/files/bafuluvufileraziwomutifix.pdf
- https://cdn.shopify.com/s/files/1/0431/0515/7269/files/instant_family_review_parents_guide.pdf
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/xiwujuvepagus.pdf
- https://cdn.shopify.com/s/files/1/0428/6365/7119/files/jevoviresifezokikevowusa.pdf
- https://cdn.shopify.com/s/files/1/0430/8385/8080/files/venture_capital_funding_rounds.pdf
- https://cdn.shopify.com/s/files/1/0432/0631/2093/files/47283718679.pdf
- https://cdn.shopify.com/s/files/1/0431/4942/6839/files/78359607979.pdf
- https://cdn.shopify.com/s/files/1/0428/2934/9030/files/dozopavapavad.pdf
- https://cdn.shopify.com/s/files/1/0437/3718/6458/files/new_android_apps_june_2019.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_off00008377.binbc6a0e85b8a10e29e307aee48399af04c15f4b9f29165f92ed9ede2f86f523a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8377 | 5112 bytes |
font_01_sfnt_off000094c6.bin35b882427848eebb972e36c2b3e55abc3855677b7e4bf2c78f038b99a39c1e4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94C6 | 9980 bytes |
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