MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a manual for industrial equipment. The PDF also features a link farm pointing to numerous other PDFs hosted on Shopify, likely for SEO manipulation to improve the ranking of the malicious redirector. The ML classifier strongly indicated 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.com/pify?keyword=atlas+copco+screw+compressor+manual+pdf
- http://files.crippled.ca/uploads/1/3/0/7/130740184/2952747.pdf
- http://files.edtechtinker.com/uploads/1/3/1/4/131438835/mutowabutepi_resinudoru_zepofumowane_miledifi.pdf
- http://files.dylanhurwitz.com/uploads/1/3/1/4/131437093/1902852.pdf
- https://cdn.shopify.com/s/files/1/0436/0051/1138/files/26567756127.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bewasovenajuwawofitef.pdf
- https://cdn.shopify.com/s/files/1/0430/9532/6887/files/68362452411.pdf
- https://cdn.shopify.com/s/files/1/0428/2118/9788/files/rizev.pdf
- https://cdn.shopify.com/s/files/1/0437/3915/2536/files/onkyo_tx-_nr545_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/3892/4181/files/xemejesidogew.pdf
- https://cdn.shopify.com/s/files/1/0431/6764/5852/files/52914100883.pdf
- https://cdn.shopify.com/s/files/1/0435/1347/9320/files/lekoxuj.pdf
- https://cdn.shopify.com/s/files/1/0436/0349/3028/files/45890063543.pdf
- https://cdn.shopify.com/s/files/1/0427/4785/5004/files/convert_radians_to_degrees.pdf
- https://cdn.shopify.com/s/files/1/0435/3543/3882/files/introduction_to_statistical_learning_stanford.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_off0000584b.bin2bc9e6c3787059b0b4bb3be3c3325d5dd3892dfe2de6b51313addabb9d8279f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x584B | 5384 bytes |
font_01_sfnt_off00006a94.bin9a6580f1741802ee43a00b233ec384e8601fcf95f2d9aa061e683ec5554d1f91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A94 | 10040 bytes |
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