PDF malware analysis — malicious · 781ce0d1b236d1c1

MALICIOUS

PDF

87.0 KB Created: 2021-01-03 12:05:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12

MD5: 8fea26b0d04eb9a8f160cdb04c329b0d SHA-1: 8afff97205da3df2b313b72e3d1464d894ce74c9 SHA-256: 781ce0d1b236d1c1b3f28ee6aeee0047187db0ccd761065df26b336aa7193233

224 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged by a machine learning classifier and ClamAV as malicious. It contains a large number of external links, many of which are likely part of a link farm designed to redirect users to malicious sites. The presence of urgency and payment redirection lures suggests a phishing or business email compromise attempt. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 8

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.
Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE

Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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
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://traffnew.ru/aws?utm_term=atal+pension+yojana+2019+online+form PDF link annotation
- https://zuberexuwaxif.weebly.com/uploads/1/3/4/5/134501439/b1bb87f8.pdfIn PDF document text
- https://cdn.sqhk.co/xogovofofi/IKY6hem/icse_physics_class_9_solutions_download.pdfIn PDF document text
- https://xavabakonoliwif.weebly.com/uploads/1/3/4/4/134477423/fafof_zinavasazave.pdfIn PDF document text
- https://vogaxuruxav.weebly.com/uploads/1/3/4/3/134352923/jibaxoviwiluz-pabokavutebeve-josexixutemis-vobab.pdfIn PDF document text
- https://cdn.sqhk.co/xetasenuwoji/cZgebjd/empires_and_puzzles_xp_guide.pdfIn PDF document text
- https://ruginimurixibiz.weebly.com/uploads/1/3/1/6/131606491/3511b51c610891.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://uploads.strikinglycdn.com/files/3ef166e8-361f-4467-87de-77298beb36bf/dear_lover_by_david_deida.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/069032a0-98a3-4841-a553-05f6ad73c8dd/frankenstein_study_guide_questions_c.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/64353a3e-9052-440f-982f-445f474594a9/hmrc_vat_refund_contact_number.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54b7fe89-6da2-4368-ad58-cb05b9efb591/bolodir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/98fd0e96-7057-46a2-b1d1-b32c6a55dc04/lista_de_conectores_en_espaol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f68de6f-3f1c-461f-8fb5-65881fc4f199/91617334311.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
- http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e889.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE889	5696 bytes
SHA-256: `8fd6cdfe228afbf73ff7abe58ef96c4c8ef7942f2f9fec6c428df1f92314c7e1`
`font_01_sfnt_off0000fbe4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFBE4	3720 bytes
SHA-256: `40ef96da86b6123d577d475be460de15c41b9ca7393a8e650be4e9942aa3c64b`
`font_02_sfnt_off00010746.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10746	10796 bytes
SHA-256: `49c5ce49e6abd1b8cd2d8d16e5caaa487067d4afe32833f0fe6058bbce572421`
`font_03_sfnt_off00012c28.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12C28	10672 bytes
SHA-256: `594d80ed2c67e527bd95bf16a7dc7cdfc5131c6a1e1075c7109196f87bc6d682`

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