Malicious PDF — malware analysis report

Static analysis result for SHA-256 0282e269a25fcdcc…

MALICIOUS

PDF

123.3 KB Created: 2021-06-12 10:24:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: e29cf076e1099f680257e2725d93bba4 SHA-1: f7ff8c0a067d7de68b903dc9769e87f439e2f096 SHA-256: 0282e269a25fcdccd1fe9972fef078800e183b13fe2a76363ae0b5b22c3ad3d7
184 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file exhibits characteristics of a phishing lure, specifically a link farm designed to redirect users to external sites. The heuristic 'PDF_SEO_LINK_FARM' indicates a high number of external links, and the presence of 'utm_term=download+twilight+part+1' suggests a deceptive pretext for downloading content. The ML classifier and ClamAV detection strongly support its malicious nature, likely serving as a distribution point for further malware or phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9756

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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://pistant.ru/pbw?utm_term=download+twilight+part+1 PDF link annotation
    • https://bivamotitujodo.weebly.com/uploads/1/3/4/7/134712473/665706cf0.pdfIn PDF document text
    • https://tidumexuxuzi.weebly.com/uploads/1/3/1/0/131071252/dejezulopi-wafomusude-duzusaraxeba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450889/normal_5fd124d14d83a.pdfIn PDF document text
    • https://gixosakovi.weebly.com/uploads/1/3/4/6/134677645/riroved.pdfIn PDF document text
    • https://golisarupu.weebly.com/uploads/1/3/5/3/135317681/4243009.pdfIn PDF document text
    • https://baresifesej.weebly.com/uploads/1/3/4/1/134131831/3939722.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418583/normal_604e39483fd3b.pdfIn PDF document text
    • https://mojivisosodarez.weebly.com/uploads/1/3/4/0/134096231/bumuvajix.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485705/normal_604ccdb7afc8d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e3fb27a-be3c-4a55-8535-7e894ba7e4d4/17083143101.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e0e4c41-734f-41c8-ba1e-0d848c609bfe/gezopoj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aaa93a80-ce77-40b3-a936-f4e9f5b8a041/17541691445.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0c5c4d90-13ff-4b7b-92d4-2b74f769918c/ejercicios_de_corriente_electrica_y_resistencia.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1583d0f6-19dc-4f9c-aa8d-0779fd33fcee/transformers_animated_series_list_of_episode_6.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ea9c685f-adf1-48e8-9c48-000ca74a699a/90915284630.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/23610ba4-a734-471f-bd82-1909cabbbfdb/36749281966.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/53c8b3f4-16d4-472b-8703-37b20d6d7ff7/best_haruki_murakami_quotes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cfe3e60d-a156-4816-91dd-f3bba3759941/34336637287.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/08330b37-0cc3-4129-a114-9f5646b502d1/giwikepiweniviwokinu.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001b329.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B329 4856 bytes
SHA-256: 23ac2ee2ec7f3a32775745560df155a930a11aa601a9015372f424bc0038dde1
font_01_sfnt_off0001c3b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1C3B2 12972 bytes
SHA-256: 0fdf0c16c83f35f1358dc7ff63f3ab63af6e042c06f71c31606c7e8851caaf18

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