MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link that redirects to a known malicious domain, ttraff.com, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to a crossword answer, suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy. 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.com/pify?keyword=doughnut+shape+crossword+answer
- http://files.threeforksambulance.com/uploads/1/3/1/4/131453602/5428518.pdf
- http://vegefipi.littleblessingsofaloha.com/uploads/1/3/1/1/131164239/9934315.pdf
- http://files.francocastilla.com/uploads/1/3/1/8/131856491/9939604.pdf
- http://files.wiedemannconsultants.com/uploads/1/3/1/6/131637606/b3b4862.pdf
- https://cdn.shopify.com/s/files/1/0440/1024/2198/files/bicarbonate_in_water_report.pdf
- https://cdn.shopify.com/s/files/1/0433/3276/3816/files/12446729881.pdf
- https://cdn.shopify.com/s/files/1/0427/7963/9967/files/72567029180.pdf
- https://cdn.shopify.com/s/files/1/0429/2270/5055/files/44727650388.pdf
- https://cdn.shopify.com/s/files/1/0430/9493/3665/files/63533933271.pdf
- https://cdn.shopify.com/s/files/1/0437/8905/8206/files/savunufikivugidu.pdf
- https://cdn.shopify.com/s/files/1/0428/7122/6534/files/w3schools_android_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0435/8150/5695/files/dizijefaduxal.pdf
- https://cdn.shopify.com/s/files/1/0436/1319/2349/files/70096367964.pdf
- https://cdn.shopify.com/s/files/1/0436/0421/3917/files/discord_not_detecting_voice_voicemeeter.pdf
- https://cdn.shopify.com/s/files/1/0430/6341/0845/files/2495473014.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_off000062b2.bin63472523ff1702093797e3ba3c8167b955d67a2d41ec6ff30508cc437aa1f2fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62B2 | 5392 bytes |
font_01_sfnt_off00007517.bin8f789424ec31ca407bd5c7fb9a47e2fe038002ec5e5bde29f9b6d0f74dde67e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7517 | 9980 bytes |
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