MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that, when clicked, redirects to a malicious URL. The document body text, though heavily obfuscated, contains the lure 'Autocad lt 2020. 1 update' and the malicious redirector URL. The PDF also hosts a large number of links to other PDFs, likely for SEO poisoning to increase visibility.
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=autocad+lt+2020.+1+update
- http://files.melissamakesmoves.com/uploads/1/3/1/4/131437530/bafowuxilan.pdf
- http://files.personalrenewal.org/uploads/1/3/0/7/130739298/mitawarajuduw.pdf
- https://cdn.shopify.com/s/files/1/0446/3765/1107/files/go_math_assessment_resource_with_answers_grade_7.pdf
- https://cdn.shopify.com/s/files/1/0430/6586/8437/files/septa_128_bus_schedule.pdf
- https://cdn.shopify.com/s/files/1/0430/4191/5042/files/empirical_distribution_function.pdf
- https://cdn.shopify.com/s/files/1/0431/1570/8577/files/72394476336.pdf
- https://cdn.shopify.com/s/files/1/0431/7046/3912/files/sigijodi.pdf
- https://cdn.shopify.com/s/files/1/0430/7740/2778/files/87817647951.pdf
- https://cdn.shopify.com/s/files/1/0429/0645/2127/files/hollow_knight_failed_champion.pdf
- https://cdn.shopify.com/s/files/1/0431/7757/4551/files/relusana.pdf
- https://cdn.shopify.com/s/files/1/0439/1393/7064/files/bendy_ink_machine_song.pdf
- https://cdn.shopify.com/s/files/1/0428/7227/5103/files/xozateropusimozigo.pdf
- https://cdn.shopify.com/s/files/1/0429/2080/4518/files/overhead_door_legacy_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/4209/4756/files/anodyne_adjective_form.pdf
- https://cdn.shopify.com/s/files/1/0429/7133/2767/files/karazawakuwujolowofo.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_off00006423.binf2df3a1f0f41574ef13acf6a91924a54492cceb54994cb66b1eb7bbf2a73ff7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6423 | 5140 bytes |
font_01_sfnt_off000075b2.binafb8e8ed111ac8247b7f7d5038487f96397ec74126f642957edbd6960df2415f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75B2 | 10256 bytes |
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