MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a primary malicious redirector URL embedded in the document body. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the link 'https://ttraff.com/pify?keyword=skillport+courses+answers' leads to known malicious infrastructure. The document body text, though partially obfuscated, contains keywords related to "skillport courses answers", suggesting a lure to trick users into clicking the malicious link.
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=skillport+courses+answers
- http://files.audubonelementaryeagles.com/uploads/1/3/0/9/130969077/pilonarabenuji_jonumi_vigalap_fapiwejuvaper.pdf
- https://cdn.shopify.com/s/files/1/0433/8896/0933/files/fipinere.pdf
- https://cdn.shopify.com/s/files/1/0436/2164/6498/files/avant_browser_free_for_xp.pdf
- https://cdn.shopify.com/s/files/1/0429/5308/0991/files/57172380836.pdf
- https://cdn.shopify.com/s/files/1/0428/0628/0355/files/ganinafawisowudu.pdf
- https://cdn.shopify.com/s/files/1/0429/0894/2499/files/gorite.pdf
- https://cdn.shopify.com/s/files/1/0430/3002/0247/files/1869369806.pdf
- https://cdn.shopify.com/s/files/1/0431/2802/9345/files/digital_logic_interview_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/7170/9092/files/13004133962.pdf
- https://cdn.shopify.com/s/files/1/0438/8945/9368/files/vivivulekatoxorerabiko.pdf
- https://cdn.shopify.com/s/files/1/0440/6142/5814/files/fenemukaveru.pdf
- https://cdn.shopify.com/s/files/1/0432/2784/0675/files/mv_command_in_linux.pdf
- https://cdn.shopify.com/s/files/1/0434/6265/6165/files/37168147847.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_off00005c90.binfd21240c0aca423901a5f0c0476b4e111b8b90c4f1df526c0570a421ba23bf2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C90 | 5188 bytes |
font_01_sfnt_off00006e52.bin7d79ca3f37edcf819c84cc15f282cdec5a54e445fc56cf92906a82d06e2bc054 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E52 | 10604 bytes |
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