MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is a strong indicator of malicious intent. The document body, though heavily obfuscated, contains this URL and other links to Shopify domains, likely part of a link farm to improve SEO for malicious content. The ML classifier also strongly flagged this PDF as malicious. The primary attack pattern involves luring the user to a malicious site via a deceptive link.
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=cacti+pronunciation+guide
- http://larurisus.matthewsmith-furniture.co.uk/uploads/1/3/1/6/131636719/3003930.pdf
- http://files.beautyboxbytatiana.com/uploads/1/3/2/3/132303092/e348afd.pdf
- http://duwose.shaneparis.com/uploads/1/3/1/4/131408280/9251973.pdf
- http://files.vividdove.com/uploads/1/3/1/6/131637853/7389365.pdf
- http://wamona.villageofvalparaisohome-school.org/uploads/1/3/1/4/131406893/panaxawubezewexosij.pdf
- https://cdn.shopify.com/s/files/1/0433/1523/2921/files/relaxing_piano_solo_sheet_music_free.pdf
- https://cdn.shopify.com/s/files/1/0435/4863/9391/files/john_taylor_classical_mechanics_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/70215567004.pdf
- https://cdn.shopify.com/s/files/1/0438/1474/8322/files/40062415051.pdf
- https://cdn.shopify.com/s/files/1/0440/4733/5574/files/byobu_cheat_sheet.pdf
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/incident_reporting_powerpoint.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jenodilibaxu.pdf
- https://cdn.shopify.com/s/files/1/0435/5247/3252/files/44313604771.pdf
- https://cdn.shopify.com/s/files/1/0450/2949/0838/files/ontology_definition.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_off00004d03.binc7939a45172b00926386de589baaff91ec324cf9d33c7542d16d9770cfb31a38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D03 | 4936 bytes |
font_01_sfnt_off00005dd3.bin5afb13e085f46d6b853eef94e9aa8af0bf53a68a668236d29e30d4454de1bdeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DD3 | 10868 bytes |
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