PDF malware analysis — malicious · e9c4f3af9d718917

MALICIOUS

PDF

46.5 KB Created: 2020-08-21 13:31:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 684addd23a4db2270390c3641ef6e424 SHA-1: abfd2f811ad7f81ce7809e32848c484cdae04e05 SHA-256: e9c4f3af9d7189176b3d760bff688dfd1f7fb6b9b76ddf79e4b17f7b474e59b2

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF contains multiple embedded links, with one identified as a malicious redirector pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text fragments related to 'in custody report merced county' and a URL, suggesting a lure. The presence of a PDF link farm heuristic further indicates an attempt to distribute malicious content or phish users. The primary malicious IOC is the redirector URL.

Heuristics 4

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.
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
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.ru/pify?keyword=in+custody+report+merced+county
- http://puname.bagearoutdoors.com/uploads/1/3/2/7/132740214/vogub.pdf
- http://wulim.acumeridians.com/uploads/1/3/1/4/131407405/8a5e2a681b1aadc.pdf
- http://files.focusedlearningsolutions.com/uploads/1/3/1/6/131636990/49d8e9.pdf
- https://cdn.shopify.com/s/files/1/0431/0840/1316/files/migufodegivokilav.pdf
- https://cdn.shopify.com/s/files/1/0438/3745/6534/files/74398225796.pdf
- https://cdn.shopify.com/s/files/1/0428/6421/4182/files/10997555901.pdf
- https://cdn.shopify.com/s/files/1/0437/9358/0189/files/7835151635.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65760981278.pdf
- https://cdn.shopify.com/s/files/1/0433/3430/3912/files/vesafelulanisus.pdf
- https://cdn.shopify.com/s/files/1/0429/0324/0871/files/vegeb.pdf
- https://cdn.shopify.com/s/files/1/0433/4577/2698/files/blue_jacket_manual_24th_edition.pdf
- https://cdn.shopify.com/s/files/1/0427/7446/2631/files/korudotipefudasobon.pdf
- https://cdn.shopify.com/s/files/1/0436/8649/4361/files/fitamivarunogukewu.pdf
- https://cdn.shopify.com/s/files/1/0438/0921/0529/files/five_kingdom_classification_system.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/
- https://cdn.shopify.com/s/files/1/0429/0324/0871/fi

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006b45.bin` `5ae2d5438ab898677e569a7f4ea5a61ced64d99d0f64c97d5a7bfa56246e476d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B45	5016 bytes
`font_01_sfnt_off00007c3c.bin` `b4084e042b93f2e2daa3af8c1b0e5f719076561c4a3f17356a7890384c7a5ff2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C3C	15956 bytes

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