PDF malware analysis — malicious · 1fd434c1fff2a3c2

MALICIOUS

PDF

76.7 KB Created: 2021-05-18 21:23:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: f93e9214b166f066bc7e3b94872e697d SHA-1: e57f6969f38c4bd0fa4584555900c2490dd3b760 SHA-256: 1fd434c1fff2a3c2ae3b270dc1672490fbe2fdf23a813f7363ba179ba7b18b4f

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, many pointing to Weebly-hosted PDFs, suggesting a link farm or phishing campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' indicate the document's primary purpose is to redirect users to malicious sites, likely for further exploitation or credential harvesting.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://fokemale.ru/strik?utm_term=dodge+ram+service+manual+pdf PDF link annotation
- https://nutiduvurenomal.weebly.com/uploads/1/3/4/6/134681926/sasoniborodawuxa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4452851/normal_5ffea0aa1e453.pdfIn PDF document text
- https://lozexisivebuzon.weebly.com/uploads/1/3/4/7/134702594/dejas.pdfIn PDF document text
- https://fenatafu.weebly.com/uploads/1/3/1/6/131637570/divivobezekofuw_lidoxevisebeve.pdfIn PDF document text
- https://motanufogok.weebly.com/uploads/1/3/1/3/131381166/mujuxobaxuzukibabig.pdfIn PDF document text
- https://babanude.weebly.com/uploads/1/3/4/0/134017813/puwiwuxigesa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368954/normal_604748bd5b7a1.pdfIn PDF document text
- https://ruxevikupasej.weebly.com/uploads/1/3/4/6/134663562/sepafonatojod.pdfIn PDF document text
- https://fixizogi.weebly.com/uploads/1/3/5/9/135959929/fb459cea65.pdfIn PDF document text
- https://wefopizek.weebly.com/uploads/1/3/4/8/134849363/kizuzijin_suxexisabifib.pdfIn PDF document text
- https://fikupekuxugo.weebly.com/uploads/1/3/4/6/134612485/4586250.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487918/normal_5fd8ebb1aca5e.pdfIn PDF document text
- https://riveveketudoj.weebly.com/uploads/1/3/4/7/134706505/nomukowe_selatilobizoxop_taletijeneto.pdfIn PDF document text
- https://poteluteko.weebly.com/uploads/1/3/1/1/131164474/kojiguvirira_vejugijeri_wofevofisewuw.pdfIn PDF document text
- https://ladifibefumuxuw.weebly.com/uploads/1/3/4/3/134353250/kanigokivesojifuk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/bajapovogam/writing_a_call_to_action_statement.pdfIn PDF document text
- https://s3.amazonaws.com/zazelujeju/39026353885.pdfIn PDF document text
- https://s3.amazonaws.com/satudifin/vubibonutokubimisejapab.pdfIn PDF document text
- https://s3.amazonaws.com/lotibabakuj/bazotofomumi.pdfIn PDF document text
- https://s3.amazonaws.com/jadudusujuje/trig_functions_calculator_triangle.pdfIn PDF document text
- https://s3.amazonaws.com/silubebebefuju/712964695.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e32e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE32E	5336 bytes
SHA-256: `120fdc117166f57a86980449cdce284334346c3c23a8532f61540f485612c392`
`font_01_sfnt_off0000f544.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF544	9980 bytes
SHA-256: `cf6c3f0916a23011c5a449127143bd01ee49d0fb72b61991073c1c26c1034229`
`font_02_sfnt_off0001176d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1176D	4324 bytes
SHA-256: `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`

Open this report in the interactive analyzer, or submit your own file for analysis.