MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.cc'. This URL is presented to the user, likely as a lure for the 'adskip premium apk' mentioned in the document body. The PDF also features a link farm, with many links pointing to Shopify domains, suggesting an attempt to obscure the malicious redirector. The ML classifier strongly indicates maliciousness.
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.cc/pify?keyword=adskip+premium+apk
- http://files.smilliestudio.com/uploads/1/3/1/4/131408169/ab32487bb54.pdf
- http://files.movemoreeathealthy.org/uploads/1/3/0/8/130874253/6135869.pdf
- http://files.writingwreference.com/uploads/1/3/0/7/130775747/4132352.pdf
- https://cdn.shopify.com/s/files/1/0432/1126/0067/files/pawanuzatosanonuj.pdf
- https://cdn.shopify.com/s/files/1/0432/0896/6301/files/26532342940.pdf
- https://cdn.shopify.com/s/files/1/0428/4357/0343/files/davijikejokuwajipivozid.pdf
- https://cdn.shopify.com/s/files/1/0430/8815/0690/files/duzosukisumog.pdf
- https://cdn.shopify.com/s/files/1/0436/0205/1229/files/nesisiwebudobiremavozemaj.pdf
- https://cdn.shopify.com/s/files/1/0437/8768/1952/files/bavezemovijisolanexadusig.pdf
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/nubime.pdf
- https://cdn.shopify.com/s/files/1/0438/2969/0528/files/60985393867.pdf
- https://cdn.shopify.com/s/files/1/0430/4932/0610/files/76605155768.pdf
- https://cdn.shopify.com/s/files/1/0436/7079/8489/files/vexux.pdf
- https://cdn.shopify.com/s/files/1/0434/4145/5256/files/80111770841.pdf
- https://cdn.shopify.com/s/files/1/0434/3431/1845/files/62419441305.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_off000053cc.bin6a17adf65d2333df414e64e672ed8c69bd50c236f8346f99b45ddfbf4af4aaa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53CC | 4712 bytes |
font_01_sfnt_off000063c2.bin8fa028c456644b2201fbabb3eb9850664ced1c5ef94482f3848c4abd7c9f37b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63C2 | 9292 bytes |
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