PDF malware analysis — malicious · 2f4e53d22e3a8ed8

MALICIOUS

PDF

54.7 KB Created: 2020-07-31 04:32:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 99d610a9a2b0750d398286d20c80caa0 SHA-1: a1d5e3756ae938e8170f1af9a90a8d071b14eb7d SHA-256: 2f4e53d22e3a8ed8a40d40cec2a27f5c98e816f8de06fb060fe9218eedb45e57

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF contains a malicious redirector link that is critical for the attack. The document also presents a visual download button, further encouraging user interaction. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content broadly. No scripts were extracted from this sample.

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=adagio+in+g+minor+sheet+music+pdf
- http://files.newyorkcity-files.com/uploads/1/3/2/6/132695360/jepavineverunogus.pdf
- http://files.jacksonvilleriverrally.org/uploads/1/3/1/4/131407918/bowan-gumudoki.pdf
- http://files.bsap.bg/uploads/1/3/0/7/130740368/6499233.pdf
- http://files.michiganozonecenter.com/uploads/1/3/2/7/132740692/jejuzujebofana.pdf
- http://files.rccghopmd.org/uploads/1/3/0/9/130969338/8571046.pdf
- http://files.newyorkcity-files.com/uploads/1
- https://cdn.shopify.com/s/files/1/0432/6277/1358/files/39304633826.pdf
- https://cdn.shopify.com/s/files/1/0438/3955/3696/files/genokifadazutuloxazadogu.pdf
- https://cdn.shopify.com/s/files/1/0437/1732/9064/files/febosaguvixikunep.pdf
- https://cdn.shopify.com/s/files/1/0440/1466/5886/files/jinejasumikusamak.pdf
- https://cdn.shopify.com/s/files/1/0433/3495/9256/files/66087782380.pdf
- https://cdn.shopify.com/s/files/1/0430/8353/0407/files/wenaxos.pdf
- https://cdn.shopify.com/s/files/1/0435/9510/4424/files/29205282281.pdf
- https://cdn.shopify.com/s/files/1/0434/1959/9004/files/34765836653.pdf
- https://cdn.shopify.com/s/files/1/0434/3886/6593/files/fejafupiti.pdf
- https://cdn.shopify.com/s/files/1/0433/5042/5765/files/gekezesolekitod.pdf
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/gunudofiwudugorubimen.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_off00009694.bin` `ee261e32f389779b39875f42601553b48d584b69f552ee918d1359f64d20e8b9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9694	5408 bytes
`font_01_sfnt_off0000a8ce.bin` `91f1ea790c02b79263c2352f2ec26fe299ed533a7bf994dbc04e3382cc51a5fa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA8CE	10584 bytes

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