MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, with a critical heuristic identifying it as a link farm. One of the primary external links, 'https://trafftec.ru/123?utm_term=periodic+table+color+pdf', suggests a lure related to a 'periodic table color pdf'. The ML classifier and ClamAV detection strongly indicate maliciousness, likely related to phishing or malware distribution via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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External URI info PDF_URIPDF contains an external URL action
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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://trafftec.ru/123?utm_term=periodic+table+color+pdf
- https://cdn-cms.f-static.net/uploads/4370744/normal_5f9b6ab7f14c6.pdf
- https://tosofeguwus.weebly.com/uploads/1/3/4/3/134321705/bimozasiginup.pdf
- https://jeponiruwapin.weebly.com/uploads/1/3/0/7/130776483/tuwobidudaxot_kuvoxa_livosejatat_rafedegoruf.pdf
- https://cdn-cms.f-static.net/uploads/4420222/normal_5f9bac23758a8.pdf
- https://cdn-cms.f-static.net/uploads/4369786/normal_5fb37674a598c.pdf
- https://cdn-cms.f-static.net/uploads/4419820/normal_5faa3be4bbd1c.pdf
- https://cdn-cms.f-static.net/uploads/4417643/normal_5f9cbd278780d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/72df6edc-4877-49e4-b10f-229ad2efcf69/37799867703.pdf
- https://s3.amazonaws.com/muwemivumazulax/fikinejuxevova.pdf
- https://s3.amazonaws.com/jumedemimo/51601808033.pdf
- https://s3.amazonaws.com/bubodeliza/chloroformic_acid_cyclohexyl_ester.pdf
- https://s3.amazonaws.com/gotijejaj/88003062826.pdf
- https://uploads.strikinglycdn.com/files/5eda4aca-0c82-432e-9291-23f66667dac3/nurerowenaza.pdf
- https://s3.amazonaws.com/jeworurowam/spelling_practice_worksheets_for_3rd_grade.pdf
- https://s3.amazonaws.com/jeponowon/calories_for_5_oz_grilled_pork_chop.pdf
- https://s3.amazonaws.com/lanaladu/lol_malphite_guide_deutsch.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f92d.bin4f2e92aac43ec6a8b5ff7b0a734a2f1c1e1b0d7c074ff3063d239bc5dde68f5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92D | 5112 bytes |
font_01_sfnt_off00010a99.binf21daea075d066d78da316e90422da42d4b9788c26068bafc3c59b02a6e7afd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A99 | 10436 bytes |
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