PDF malware analysis — malicious · ccdca2871aaa7e7e

MALICIOUS

PDF

4.64 MB Created: 2021-03-14 08:21:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22

MD5: 3d5a44f2293e0778af7712b624ade309 SHA-1: 2b2e074cfc50defe11c35dbb752c1b2f9f91af33 SHA-256: ccdca2871aaa7e7ee98a3708a6b59e380ffe9b41251a5e91687b845c391b3425

132 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to a malicious site. The heuristic 'SE_URGENCY_LURE' suggests the document may contain text designed to prompt immediate action. While no scripts were explicitly extracted, the presence of embedded URLs and the ClamAV detection strongly suggest a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier clean score 0.0027

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF 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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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://crophysi.ru/strik?utm_term=essentials+of+pathophysiology+4th+edition+pdf+download In PDF document text
- http://lijonotogi.scienceontheweb.net/43310255411.pdfIn PDF document text
- https://kadogejajufa.weebly.com/uploads/1/3/4/7/134717900/katibovavozejar.pdfIn PDF document text
- http://gukiduwonaxinef.getenjoyment.net/g_shock_3230_band.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455884/normal_603f36159fda2.pdfIn PDF document text
- http://stonersfranchise.com/xinuganerowuranezalibikeuhug1.pdfIn PDF document text
- http://begemot.space/xikewojewitexapanekimtigs.pdfIn PDF document text
- https://robugagemo.weebly.com/uploads/1/3/5/3/135304688/tokiwiwekukenibemad.pdfIn PDF document text
- https://gulapekojikag.weebly.com/uploads/1/3/2/7/132741551/birajapitebe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367005/normal_6035a5ed31902.pdfIn PDF document text
- https://cdn.sqhk.co/diwumimuf/iQhfLji/22409338408.pdfIn PDF document text
- https://cdn.sqhk.co/xurinuwame/hemigjj/fireman_sam_episodes_youtube.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388412/normal_60492cebe9b4b.pdfIn PDF document text
- https://cdn.sqhk.co/xamowizaso/hijbLLd/weluxaroxejojila.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376354/normal_5ffde3005ae5b.pdfIn PDF document text
- https://xorewodanuvidiw.weebly.com/uploads/1/3/1/3/131381095/2874451290c21.pdfIn PDF document text
- https://nolaxefipox.weebly.com/uploads/1/3/4/7/134740184/8ab025.pdfIn PDF document text
- http://hihikane.space/86219041360ex9jy.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392193/normal_603d288c2d2af.pdfIn PDF document text
- https://cdn.sqhk.co/mudinaxape/uGgfEjh/47338681333.pdfIn PDF document text
- https://cdn.sqhk.co/toruwapelot/xSjaoge/83062992515.pdfIn PDF document text
- https://xidelesa.weebly.com/uploads/1/3/4/4/134498911/suvavodu.pdfIn PDF document text
- http://tujidal.mypressonline.com/uniden_trunktracker_iv_bcd396xt_manual.pdfIn PDF document text
- http://top-odejda.com/virgen_madre_que_nunca_me_falte_tu_auwj0i.pdfIn PDF document text
- http://bigpleasure.ru/what_is_fi_technology_in_maestrogn44i.pdfIn PDF document text
- https://pedogore.weebly.com/uploads/1/3/2/8/132815008/terara_jokixag.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
- http://movasedumanepe.onlinewebshop.net/basic_chemistry_quiz_questions_and_answers.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_off00499cf3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x499CF3	5232 bytes
SHA-256: `8834ff068d98f96ea4dc5f73b996b47d8b834e3cc36be1caf08a68325a555533`
`font_01_sfnt_off0049aee3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x49AEE3	17376 bytes
SHA-256: `7dc096bd61cb1f0b7579e1db4733675320f93e1be43c9aa6747fe14ccb8ac41e`
`font_02_sfnt_off0049e3ad.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x49E3AD	4324 bytes
SHA-256: `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`

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