PDF malware analysis — malicious · edcc7a6566ec92fb

MALICIOUS

PDF

40.4 KB Created: 2020-08-04 05:20:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b1f08df8c8106e798d0f8f8544725b0a SHA-1: ce01fe21393ae7b013793fcb5ec272e11e30050f SHA-256: edcc7a6566ec92fb7e9d19df5693a5ecfbca4fab96b3390f7b0724ec10fe603f

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirector. The heuristic firings indicate this PDF is designed to redirect users to malicious infrastructure, likely as part of a phishing or scam campaign.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

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.
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.
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://ttraff.com/pify?keyword=closely+coupled+and+loosely+coupled+configuration+pdf
- http://files.artchaucer.com/uploads/1/3/2/7/132710601/bezox-papep-bosexesokuxuwus-kijetese.pdf
- http://files.shukokaikarateclub.com/uploads/1/3/0/8/130814121/zobatefakowo.pdf
- http://files.missionpilgrims.com/uploads/1/3/1/4/131452922/6971699.pdf
- http://files.inspiredfoodforlife.com.au/uploads/1/3/1/4/131453054/numigesopokibiw.pdf
- http://files.texasgulfrecord.org/uploads/1/3/2/6/132680874/5393037.pdf
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/67368294385.pdf
- https://cdn.shopify.com/s/files/1/0436/1610/8707/files/kirepepar.pdf
- https://cdn.shopify.com/s/files/1/0433/3459/8809/files/sojara.pdf
- https://cdn.shopify.com/s/files/1/0450/3748/6238/files/yoga_poses_for_beginners_printable.pdf
- https://cdn.shopify.com/s/files/1/0431/6427/0743/files/xodamiwevoroposejivo.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8865/files/nawobesuf.pdf
- https://cdn.shopify.com/s/files/1/0431/8468/5224/files/suratonuri.pdf
- https://cdn.shopify.com/s/files/1/0427/9618/7815/files/domibipukegaton.pdf
- https://cdn.shopify.com/s/files/1/0435/4444/5082/files/lijanuxusogeliximufomob.pdf
- https://cdn.shopify.com/s/files/1/0428/1021/2519/files/sonov.pdf
- https://cdn.shopify.com/s/files/1/0431/4903/3640/files/aprendizajes_clave_para_la_educacion_integral_quinto_grado.pdf
- https://cdn.shopify.com/s/files/1/0433/4845/9675/files/9464588538.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76588695657.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005f0b.bin` `08cfb17ef7ec3cc3f485eb72959d7c66fe41d9dac8ea17796efba7bde0835686`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F0B	5328 bytes
`font_01_sfnt_off00007147.bin` `03e929e910322f6f4afa069b61a352898595c2c67bb8221cf66e8b4904567a1e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7147	10220 bytes

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