MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to what appears to be a link farm designed to host other PDFs. One of these links, https://ttraff.com/pify?keyword=bfs+and+dfs+program+in+c+pdf, is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting the primary purpose is to redirect the user to malicious infrastructure.
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=bfs+and+dfs+program+in+c+pdf
- http://files.liferenewalcounseling.org/uploads/1/3/0/8/130813846/vubajaparetofiwot.pdf
- http://files.friend-vibes.com/uploads/1/3/1/4/131406222/4145863.pdf
- http://files.livemovewc.com/uploads/1/3/0/7/130739204/xapujekulewafoxazi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3901/4562/files/regajemozem.pdf
- https://cdn.shopify.com/s/files/1/0430/8362/8708/files/64782091387.pdf
- https://cdn.shopify.com/s/files/1/0428/0621/4819/files/5489441550.pdf
- https://cdn.shopify.com/s/files/1/0431/9523/6509/files/17462071571.pdf
- https://cdn.shopify.com/s/files/1/0433/0248/6180/files/37981902118.pdf
- https://cdn.shopify.com/s/files/1/0431/0574/7108/files/nasugevolufezopipilami.pdf
- https://cdn.shopify.com/s/files/1/0434/3349/2641/files/zaxisenu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nuxekenosagulowagegur.pdf
- https://cdn.shopify.com/s/files/1/0437/0684/3288/files/zikemafamisonavutopaf.pdf
- https://cdn.shopify.com/s/files/1/0437/2827/3562/files/favupaxokax.pdf
- https://cdn.shopify.com/s/files/1/0433/5943/6951/files/51439678738.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060ce.binfad05656f62c6500260e8d3041582e78f6f283affd8ea87880c5b012bda19f5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60CE | 5492 bytes |
font_01_sfnt_off00007371.binfd311ae8f6e76ebdac9ac9b9cdcfac594bd1bd2eb47fadf03b678a8c31a4d645 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7371 | 15068 bytes |
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