MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector infrastructure at `ttraff.ru`. The document body, though heavily corrupted, contains text referencing 'Autodesk inventor professional 2017 manual pdf' and the malicious URL, suggesting a lure to a malicious site disguised as a software manual download. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=autodesk+inventor+professional+2017+manual+pdf
- http://gozil.education-pathways.com/uploads/1/3/1/3/131380429/5471891.pdf
- http://nusizenar.inclusivecatholics.org/uploads/1/3/1/4/131438013/pozifujopetiwomedep.pdf
- http://jumomufom.ekneinfo.com/uploads/1/3/2/6/132695903/60ea8122184.pdf
- http://xawikeg.projectahimsa.org.au/uploads/1/3/0/8/130814238/dedoxigugogobak-romudedinevo-xiwakanufedivu.pdf
- http://files.thebasslaboratory.com/uploads/1/3/1/6/131636655/dasozetute.pdf
- https://cdn.shopify.com/s/files/1/0429/1470/9670/files/iv_admixtures.pdf
- https://cdn.shopify.com/s/files/1/0431/9156/6493/files/milestones_of_development.pdf
- https://cdn.shopify.com/s/files/1/0448/2560/8353/files/amrita_nayak_all_song.pdf
- https://cdn.shopify.com/s/files/1/0440/9825/7048/files/fezawasiligisoxujezurix.pdf
- https://cdn.shopify.com/s/files/1/0435/0961/2712/files/the_pardoner_s_tale_translated.pdf
- https://cdn.shopify.com/s/files/1/0428/1381/6995/files/beponuzakemebafi.pdf
- https://cdn.shopify.com/s/files/1/0429/7365/9290/files/33428846419.pdf
- https://cdn.shopify.com/s/files/1/0430/7343/7847/files/bmw_branding_strategy.pdf
- https://cdn.shopify.com/s/files/1/0432/2859/4344/files/xuvizuwovuxedovav.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61403973964.pdf
- https://cdn.shopify.com/s/files/1/0437/1555/9573/files/vazisimulilokipon.pdf
- https://cdn.shopify.com/s/files/1/0434/9083/6632/files/87566686049.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_off00008245.bin1ffbabee6ef4887fd2e495a5dbd36d35c498b8eef24a4fb0d56522bd0eb7a701 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8245 | 5708 bytes |
font_01_sfnt_off000095a2.bin8d6fee3224d62cdcd5277b84f53bc0bd036edc463226112be654987022b8821c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95A2 | 10432 bytes |
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