PDF malware analysis — malicious · 0fc48f88dc2ec5a8

MALICIOUS

PDF

69.1 KB Created: 2021-01-02 12:10:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02

MD5: 6375bc5290a58a29d4ef276efebd0fa2 SHA-1: 27863d8d87a48ccb322317f772d50e04fd912d62 SHA-256: 0fc48f88dc2ec5a884c0192678b85e1f6936340dbe421b3fc7e97d4b1a87af7e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains embedded URLs, one of which is `https://trafffe.ru/aws?utm_term=movies+for+free+online+apple`, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a malicious payload. No scripts were extracted, but the presence of external URIs and high detection scores point to a malicious document.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://trafffe.ru/aws?utm_term=movies+for+free+online+apple PDF link annotation
- https://boliwarabinobe.weebly.com/uploads/1/3/1/4/131437394/nuzibomijiv_fimonuniteduxo_pajulebuxul_falasexojuzo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367914/normal_5fcff4444ee06.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408348/normal_5fc479e5d4719.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403816/normal_5f9c31a7ea386.pdfIn PDF document text
- https://cdn.sqhk.co/mapigusene/ggKicTB/85164004010.pdfIn PDF document text
- https://xubidanata.weebly.com/uploads/1/3/4/8/134895671/6088455.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421787/normal_5fb93564c7ee1.pdfIn PDF document text
- https://vufepuxo.weebly.com/uploads/1/3/4/5/134522835/e66ba47f509d7d5.pdfIn PDF document text
- https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/nulesowatixo.pdfIn PDF document text
- https://cdn.sqhk.co/nutakurij/RRrPCyw/1054661159.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d268.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD268	4960 bytes
SHA-256: `cf96a7323946418bf2a472bfd7ec6da7c84f202c784290af7c1ebd12421e1c87`
`font_01_sfnt_off0000e36b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE36B	10596 bytes
SHA-256: `0b8bc692af65a2cbf2c93c30e2c1c33ace12c4b076972a0948bac3ce10042ac9`

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