PDF malware analysis — malicious · 2518972e3d4d4f23

MALICIOUS

PDF

44.4 KB Created: 2020-07-29 21:25:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5829ee2474d37be18c4af29dca001296 SHA-1: eb390fe5d0e3162dd595c3c8de8b85fd8062faaa SHA-256: 2518972e3d4d4f2377821e11b4511575dc9aaa51246f37fba40b4fb6c281bea4

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a malicious redirector link pointing to a phishing page, disguised with keywords related to 'Centrelink carer payment form'. It also includes a mass external PDF link farm, suggesting an attempt to distribute malicious content or engage in SEO manipulation for phishing. The presence of a callback phone lure further indicates a phishing or scam attempt.

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.com/pify?keyword=centrelink+carer+payment+form+pdf
- http://files.starburstprinting.com/uploads/1/3/1/3/131378991/4661138.pdf
- http://files.shekhongchoi.com/uploads/1/3/1/4/131482907/80185e.pdf
- http://files.sarahcamillewilson.com/uploads/1/3/1/0/131070146/a21c8fbdc6df.pdf
- https://cdn.shopify.com/s/files/1/0440/8374/0822/files/zidizodazuk.pdf
- https://cdn.shopify.com/s/files/1/0434/0023/3110/files/95786809151.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bararilisubolubudikolumo.pdf
- https://cdn.shopify.com/s/files/1/0435/7239/6193/files/pinasisidanaxubufori.pdf
- https://cdn.shopify.com/s/files/1/0431/5411/2672/files/vogonoguvoze.pdf
- https://cdn.shopify.com/s/files/1/0429/1595/4847/files/gunaganilada.pdf
- https://cdn.shopify.com/s/files/1/0431/7108/6485/files/bobikepokonixupa.pdf
- https://cdn.shopify.com/s/files/1/0435/4772/1892/files/dofoxobajubesedapira.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/piguxifuka.pdf
- https://cdn.shopify.com/s/files/1/0430/7828/7521/files/56292918113.pdf
- https://cdn.shopify.com/s/files/1/0428/1715/9335/files/nixogixibiditilig.pdf
- https://cdn.shopify.com/s/files/1/0439/3258/2056/files/bolubuvaxigeludujuwa.pdf
- https://cdn.shopify.com/s/files/1/0433/0392/7973/files/7377642165.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_off00006f89.bin` `80c95f9c5dfa915bffb872ed951cdf6149567ea7b0a69f4722e9309224e5ba59`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F89	5100 bytes
`font_01_sfnt_off000080d3.bin` `ea76b446e80744b75c037bbfa6c2462b286c83755016e140f65772c2e47cb2ad`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x80D3	10404 bytes

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