MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a large link farm. The ML classifier also strongly indicated maliciousness. The primary malicious URL identified is https://ttraff.ru/pify?keyword=reporting+log+transformed+data, which is likely used to redirect users to a malicious site. The document body contains obfuscated text and embedded URLs, further supporting the malicious intent.
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.ru/pify?keyword=reporting+log+transformed+data
- http://fiwibeti.thehanssonlab.com/uploads/1/3/1/4/131410227/1fe0a801af73a.pdf
- http://files.spiritofexcellenceworldwide.com/uploads/1/3/0/8/130874469/d0a4486630b8.pdf
- https://cdn.shopify.com/s/files/1/0437/7241/2055/files/kozodinufibiwaz.pdf
- https://cdn.shopify.com/s/files/1/0434/0924/4316/files/48209613988.pdf
- https://cdn.shopify.com/s/files/1/0438/9090/1144/files/marvel_encyclopedia_new_edition_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0433/7857/3475/files/56727186623.pdf
- https://cdn.shopify.com/s/files/1/0433/8250/5628/files/westjet_app_for_older_android.pdf
- https://cdn.shopify.com/s/files/1/0437/0923/5355/files/besame_mucho_guitar_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0432/9291/7924/files/3444570151.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/butchery_business_proposal.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_off000063ba.bin4b0ad1b18811a18a681ac0400fffa1436af71522b204d62ef424453c5a4a10df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63BA | 5156 bytes |
font_01_sfnt_off0000752b.bin1e524632de4bb7a5981f6a8001b5b74165722cf5f1591b114ae693ccdf0b3a73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x752B | 10384 bytes |
font_02_sfnt_off0000989d.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x989D | 4324 bytes |
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