MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and the ML classifier strongly indicate malicious intent. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=aluminium+alloys+and+their+properties+pdf', suggesting a lure to a malicious site disguised as a document about aluminium alloys. No scripts were extracted from this sample.
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=aluminium+alloys+and+their+properties+pdf
- http://files.thegoldengoosecarvery.com/uploads/1/3/0/9/130969206/4301405.pdf
- http://files.nirvanapilkington.com/uploads/1/3/0/8/130814121/musigulepita_miparidu_tadiven.pdf
- http://nisez.carolinesteiermcclintic.com/uploads/1/3/1/3/131379730/cdd3bfc.pdf
- http://files.dalegarellphotography.com/uploads/1/3/0/9/130969724/871e58.pdf
- https://cdn.shopify.com/s/files/1/0432/9878/3382/files/53708793235.pdf
- https://cdn.shopify.com/s/files/1/0447/0043/4586/files/panera_catering_boxed_lunch_menu.pdf
- https://cdn.shopify.com/s/files/1/0434/0105/2321/files/piwuwevotuzolola.pdf
- https://cdn.shopify.com/s/files/1/0430/3863/8241/files/kegegoludukopixozepiferab.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/dictionary_of_psychology.pdf
- https://cdn.shopify.com/s/files/1/0437/4288/8097/files/beowulf_rm_liuzza.pdf
- https://cdn.shopify.com/s/files/1/0431/0152/0029/files/kyocera_flip_phone_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/43655384448.pdf
- https://cdn.shopify.com/s/files/1/0429/5265/5002/files/64136275826.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pegegezanonipilupe.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_off00006c8f.bin7ac3227a361509e246d0194893fde0ff69b7dcc46e52583383e3d315f5ee59a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C8F | 5372 bytes |
font_01_sfnt_off00007eab.bin39fae644c3db9a3e46ebecb11beeb2ff2aecf106d1a8f74ab349953ca130ab40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EAB | 10068 bytes |
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