MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body and embedded artifacts suggest a lure related to 'Autocad pdf underlay', and the file contains a large number of external links, many pointing to PDF files on various domains. This indicates a likely SEO manipulation or content distribution scheme, potentially leading to further malicious downloads.
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=autocad+pdf+underlay
- http://files.worldfashionmedianewsarchives.com/uploads/1/3/0/7/130739404/9563188.pdf
- http://jutevoxo.thegoodfeelinglife.com/uploads/1/3/1/0/131070161/967831.pdf
- http://files.alfredmontessori.com/uploads/1/3/0/7/130739062/gekarutabemev_daraxit.pdf
- http://vulera.loveshoulddie.com/uploads/1/3/0/9/130969205/ruxefo.pdf
- http://gapebon.charnettecreations.com/uploads/1/3/1/4/131437792/gurobetisedinap.pdf
- https://cdn.shopify.com/s/files/1/0438/7792/5019/files/64303455113.pdf
- https://cdn.shopify.com/s/files/1/0435/2121/2570/files/ruwopix.pdf
- https://cdn.shopify.com/s/files/1/0431/6558/1469/files/38716166043.pdf
- https://cdn.shopify.com/s/files/1/0433/0822/0574/files/nibevojuvizoxirepegu.pdf
- https://cdn.shopify.com/s/files/1/0430/9650/6521/files/gomopatikulep.pdf
- https://cdn.shopify.com/s/files/1/0432/4727/2098/files/nukatexu.pdf
- https://cdn.shopify.com/s/files/1/0430/9575/2864/files/77679631432.pdf
- https://cdn.shopify.com/s/files/1/0427/8072/1311/files/jipewonuxejujufu.pdf
- https://cdn.shopify.com/s/files/1/0428/0470/7491/files/joramogazu.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_off00005e6b.bin6031cc98fd50c1d46604ba1f333fd0ae59300aa5dcd708f5b608120f6745c6ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E6B | 5064 bytes |
font_01_sfnt_off00006fb9.binae6d18eb97bcbe77404cd96481e9e411f7ec169cf99c9dfd972abdeec8a9c2f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FB9 | 10192 bytes |
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