MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to what appears to be a link farm designed for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, https://ttraff.ru/pify?keyword=polymerisation+of+alkenes+pdf, which is the primary indicator of malicious intent. The document body itself is heavily obfuscated and contains a mix of seemingly random characters and embedded URLs, further supporting the malicious redirection attempt.
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=polymerisation+of+alkenes+pdf
- http://files.enrichnaturals.com/uploads/1/3/2/6/132695915/gubedivovafakeka.pdf
- http://files.shoplashmayhem.com/uploads/1/3/1/6/131606059/kaniremulidom.pdf
- http://files.landtoseasurvival.co.uk/uploads/1/3/1/1/131163872/1234414.pdf
- https://cdn.shopify.com/s/files/1/0432/2259/7800/files/55228820040.pdf
- https://cdn.shopify.com/s/files/1/0430/0252/7895/files/gupomixosoduzeman.pdf
- https://cdn.shopify.com/s/files/1/0433/5307/9963/files/31923420786.pdf
- https://cdn.shopify.com/s/files/1/0427/6014/3014/files/48400205619.pdf
- https://cdn.shopify.com/s/files/1/0435/7862/2111/files/cancer_de_colo_do_tero.pdf
- https://cdn.shopify.com/s/files/1/0428/0451/0887/files/zutetukapope.pdf
- https://cdn.shopify.com/s/files/1/0439/2720/8091/files/florida_surfing_report.pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/24790392903.pdf
- https://cdn.shopify.com/s/files/1/0431/8468/5224/files/rugok.pdf
- https://cdn.shopify.com/s/files/1/0436/1755/0499/files/wazefoval.pdf
- https://cdn.shopify.com/s/files/1/0438/1753/3597/files/8408106339.pdf
- https://cdn.shopify.com/s/files/1/0429/8378/4601/files/79523649644.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_off000071af.binab0a57bc2a694f379203143c24ff315fa3402bc993ee3776db5027c156e30989 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71AF | 5356 bytes |
font_01_sfnt_off000083cd.bine4e90de00cdff56d9f0904d3e2999ce202b7c6b1485e7ead518b12e655882fe2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83CD | 10260 bytes |
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