PDF malware analysis — malicious · 3f1ed92e67b34ffc

MALICIOUS

PDF

46.1 KB Created: 2020-08-04 11:45:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 85bc39f0b4912c1617b1043a8e452247 SHA-1: 1b3fdd7817afa1293ac00b82331b1cc67d415dbc SHA-256: 3f1ed92e67b34ffc04376faa76c4e84d8277e5366ce844b4faca70f9148fbe02

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains multiple embedded URLs, with one identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to an 'Athens vs Sparta worksheet'. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a probable phishing or malware distribution attempt. No scripts were extracted from this sample.

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.cc/pify?keyword=athens+vs+sparta+worksheet+pdf
- http://rotuvotar.theosophicalsocietydurhamcentre.com/uploads/1/3/1/4/131438079/0254666ce6a04.pdf
- http://files.lisamccafferty.com/uploads/1/3/1/3/131383664/bamibitamurata.pdf
- http://files.batrssocal.com/uploads/1/3/2/6/132695714/zijagisopigoken-xatatasu-botumasaluw.pdf
- https://cdn.shopify.com/s/files/1/0433/8742/0835/files/muzibazozofijavedexiser.pdf
- https://cdn.shopify.com/s/files/1/0435/8907/5099/files/vabowuz.pdf
- https://cdn.shopify.com/s/files/1/0439/3923/3960/files/potatapimaxotamivatugezap.pdf
- https://cdn.shopify.com/s/files/1/0428/9229/6359/files/18704361051.pdf
- https://cdn.shopify.com/s/files/1/0432/6585/1542/files/7446341499.pdf
- https://cdn.shopify.com/s/files/1/0434/0665/5642/files/munedunasuzakewikup.pdf
- https://cdn.shopify.com/s/files/1/0431/9500/7137/files/jomowemenexo.pdf
- https://cdn.shopify.com/s/files/1/0428/2236/9446/files/59294872023.pdf
- https://cdn.shopify.com/s/files/1/0435/3074/8072/files/21443205851.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31082235151.pdf
- https://cdn.shopify.com/s/files/1/0432/4891/0498/files/vesewevebujekekerufibelu.pdf
- https://cdn.shopify.com/s/files/1/0435/2281/8200/files/34557711675.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rixaraxamixenapo.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000069fb.bin` `a8015b3371215c4f80abb2a4db88848d1ed8606907a26eb2110f9f0267fa9582`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69FB	5040 bytes
`font_01_sfnt_off00007b1c.bin` `93bdad450841058f8b261102a3dc35939e2e140f2be6e52d09f17084d528570f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B1C	9972 bytes
`font_02_sfnt_off00009d4d.bin` `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9D4D	4324 bytes

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