MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm pointing to numerous external PDFs, with one specific URL identified as a malicious redirector. The ML classifier strongly indicated maliciousness. The primary attack vector appears to be social engineering, luring the user to click on the malicious link under the guise of a 'fingerprint card template'. No scripts were extracted, limiting the analysis of further payload delivery or persistence mechanisms.
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.ru/pify?keyword=fingerprint+card+template+pdf
- http://zuvabijav.chrisandkell.net/uploads/1/3/2/3/132303382/6965238.pdf
- http://files.postalhistorysociety.org/uploads/1/3/1/8/131858791/60e266f5d0.pdf
- http://lunolelo.drstephanisko.com/uploads/1/3/1/8/131858419/ae5a9a13808a3a.pdf
- http://fuzawifa.smallpawsbiglove.com/uploads/1/3/1/4/131438397/cfbac66e75.pdf
- https://cdn.shopify.com/s/files/1/0439/4975/2478/files/anxiety_signs_and_symptoms.pdf
- https://cdn.shopify.com/s/files/1/0448/7023/8370/files/abstract_algebra_by_dummit_and_foote_download.pdf
- https://cdn.shopify.com/s/files/1/0437/0631/9001/files/evs_project_on_green_revolution.pdf
- https://cdn.shopify.com/s/files/1/0429/9482/7418/files/demaka.pdf
- https://cdn.shopify.com/s/files/1/0431/5486/6337/files/biwisob.pdf
- https://cdn.shopify.com/s/files/1/0435/2416/1695/files/86679889450.pdf
- https://cdn.shopify.com/s/files/1/0440/8606/7352/files/jurnal_tentang_bahaya_rokok.pdf
- https://cdn.shopify.com/s/files/1/0433/3505/7559/files/rososetejopivuloxegep.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_off000065c6.bincb227c0512aea497a5967a85a6f56980787afb15b304937712cd662479bdf6c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65C6 | 5252 bytes |
font_01_sfnt_off00007790.binf5d3d06268509a820b90f6c54c7476e93375f156144133fc32c84986280f34fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7790 | 10496 bytes |
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