MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector infrastructure. The document body, though obfuscated, contains the text 'How to add user on mac' and the malicious URL 'https://ttraff.cc/pify?keyword=how+to+add+user+on+mac', indicating a social engineering lure to trick users into clicking the link. The ML classifier also strongly flagged this PDF as malicious.
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=how+to+add+user+on+mac
- http://files.lukeolson.com/uploads/1/3/0/9/130969218/83aa27d3.pdf
- http://files.timtosuccess.com/uploads/1/3/1/6/131606490/midiv-dubururunawux.pdf
- http://files.driving--lessons--worcester.co.uk/uploads/1/3/2/6/132696113/xajalodu.pdf
- http://files.cvgc1991.org/uploads/1/3/2/6/132696580/tiwujimobiwe-rimijewojofaxen-zekufizupus-gabadezumaxo.pdf
- http://files.fultonccgolf.com/uploads/1/3/1/4/131437275/nevewik-vanofo-majovikitifa.pdf
- https://cdn.shopify.com/s/files/1/0432/2715/2539/files/nusuvijiganeso.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/14981909947.pdf
- https://cdn.shopify.com/s/files/1/0432/9114/8444/files/57384425560.pdf
- https://cdn.shopify.com/s/files/1/0433/1926/3397/files/the_walking_dead_s06e03_kickass.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gekubamunanapomokavonata.pdf
- https://cdn.shopify.com/s/files/1/0432/8013/8398/files/dovebowunelukulepu.pdf
- https://cdn.shopify.com/s/files/1/0431/6859/6123/files/wuwukawivemuwiviro.pdf
- https://cdn.shopify.com/s/files/1/0434/7455/0950/files/gta_4_download.pdf
- https://cdn.shopify.com/s/files/1/0431/5637/3670/files/vaxerizafobep.pdf
- https://cdn.shopify.com/s/files/1/0434/3431/1845/files/37758392417.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_off00006187.bin7373496630f5f5dae4c05ca0cab5eb4a5c2329b296df8541dd5c2065a029fefc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6187 | 5104 bytes |
font_01_sfnt_off000072e0.bin8a1ffd811b7b3b5023956e388e5b59649c70b0e984da24a131c483506e25ca7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72E0 | 10272 bytes |
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