MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with SEO link farms. One prominent link redirects to a malicious domain, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains text related to removing ads from Android apps, likely serving as a lure to encourage clicks on the malicious 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=remove+ads+from+android+apps+apk
- http://files.mass-visuals.com/uploads/1/3/1/3/131384424/bebabokumewonusameke.pdf
- http://nokevamun.thetwilightbarkpet.com/uploads/1/3/2/3/132303382/1525733.pdf
- http://files.maisonpumping.com/uploads/1/3/1/4/131483361/6649684.pdf
- http://ruzuxuxo.ahbuildingservices.com/uploads/1/3/0/7/130740051/5fae8730b40.pdf
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/giresazesipuxometebelukaf.pdf
- https://cdn.shopify.com/s/files/1/0440/4353/4486/files/sipefisebezanutuvav.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3481/files/nubope.pdf
- https://cdn.shopify.com/s/files/1/0431/1131/7658/files/xibewezesuvubalugodux.pdf
- https://cdn.shopify.com/s/files/1/0433/3692/5342/files/linunofitifomemibuvusanix.pdf
- https://cdn.shopify.com/s/files/1/0438/2624/9885/files/e5_93_aa_e5_90_92.pdf
- https://cdn.shopify.com/s/files/1/0432/7263/4533/files/pajamamifipijim.pdf
- https://cdn.shopify.com/s/files/1/0429/1421/8151/files/mowoxot.pdf
- https://cdn.shopify.com/s/files/1/0440/6099/9845/files/principles_of_agroecology.pdf
- https://cdn.shopify.com/s/files/1/0432/3698/2943/files/notedow.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_off00005ab3.bine8f008ff4b587dcb14814158fe1eda5e0eaed8765fef10a82f100a0d5a523275 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AB3 | 5284 bytes |
font_01_sfnt_off00006ca8.bin38bb4856bfe236da6260569c8004081055f4fc2c6325bdcf5c8e982076a8c02d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CA8 | 10080 bytes |
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