MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure, specifically 'ttraff.com'. Additionally, it contains a large number of embedded external PDF links, characteristic of a link farm. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be directing users to malicious content via the 'ttraff.com' URL.
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=e+spanier+algebraic+topology+pdf
- http://files.liwaterways.com/uploads/1/3/0/9/130969211/501d90.pdf
- http://files.howsafeisourcare.com/uploads/1/3/2/6/132681992/mikezijakoketof.pdf
- http://files.chalkbychels.com/uploads/1/3/1/3/131379113/a270afd5c7.pdf
- https://cdn.shopify.com/s/files/1/0432/7197/9172/files/kagazifepuwupofupugemetev.pdf
- https://cdn.shopify.com/s/files/1/0429/4787/0876/files/47203158584.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bifezunelavezide.pdf
- https://cdn.shopify.com/s/files/1/0436/3298/4222/files/15681600719.pdf
- https://cdn.shopify.com/s/files/1/0431/3438/6332/files/hole_s_essentials_of_human_anatomy_and_physiology_8th_edition.pdf
- https://cdn.shopify.com/s/files/1/0439/7708/0990/files/heroes_fighting_games.pdf
- https://cdn.shopify.com/s/files/1/0437/0586/0248/files/91140939695.pdf
- https://cdn.shopify.com/s/files/1/0435/9575/9779/files/joint_of_iid_random_variables.pdf
- https://cdn.shopify.com/s/files/1/0434/7589/4437/files/suruninexugorovaxok.pdf
- https://cdn.shopify.com/s/files/1/0433/2729/1544/files/xatokatudorurezilosizor.pdf
- https://cdn.shopify.com/s/files/1/0429/6356/6755/files/28358882007.pdf
- https://cdn.shopify.com/s/files/1/0431/6119/0559/files/kejagigufuduf.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_off00004ee6.binfc2247973cb4341c802c0d12a4602bc676d19e8b484d661c86687146f1edeee5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EE6 | 5520 bytes |
font_01_sfnt_off000061b1.bin0f4b9d3842d931613cf20d71e82d59988fa089f1a47b7b7f6e4e24a666fa0e65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61B1 | 9916 bytes |
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