MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a touch screen calibration tool. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the link leads to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which are to benign Shopify URLs, likely to improve search engine ranking for the malicious link. The ML_NYX_PDF_MALICIOUS classifier strongly supports the malicious nature of this PDF.
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=touch+screen+calibration+windows+7
- http://files.heavygrail.net/uploads/1/3/1/3/131380733/bitat.pdf
- https://cdn.shopify.com/s/files/1/0433/8188/3047/files/asme_pipe_standards.pdf
- https://cdn.shopify.com/s/files/1/0437/9849/5389/files/mamigu.pdf
- https://cdn.shopify.com/s/files/1/0433/9499/0231/files/gevivenuxinexexage.pdf
- https://cdn.shopify.com/s/files/1/0433/6805/4949/files/icy_veins_unholy_dk.pdf
- https://cdn.shopify.com/s/files/1/0434/6796/4580/files/danon.pdf
- https://cdn.shopify.com/s/files/1/0431/6200/9755/files/70050348530.pdf
- https://cdn.shopify.com/s/files/1/0428/5543/2348/files/ritefojij.pdf
- https://cdn.shopify.com/s/files/1/0437/6916/8021/files/35519819390.pdf
- https://cdn.shopify.com/s/files/1/0431/0951/5413/files/albugo_fungi.pdf
- https://cdn.shopify.com/s/files/1/0435/6302/4547/files/android_studio_tutorial_point.pdf
- https://cdn.shopify.com/s/files/1/0431/5637/3659/files/91994979428.pdf
- https://cdn.shopify.com/s/files/1/0430/1019/5605/files/dokitaleseluvi.pdf
- https://cdn.shopify.com/s/files/1/0433/0432/1184/files/oriflame_catalogue_april_2020_download.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_off00006571.bin3afd0c881f42b15c27148eafb1879d21a71fabfd442238152c685901230c1d73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6571 | 5288 bytes |
font_01_sfnt_off00007779.bince1c6b177761df8fd264440ed72ba904240e11d5298194f14c73a921b31309e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7779 | 9868 bytes |
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