PDF malware analysis — malicious · b7ceeb28a191364f

MALICIOUS

PDF

47.1 KB Created: 2020-07-30 03:50:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3cfe7423103c9dd13f93a0d0262a1ee8 SHA-1: ae174a81373826804932bf9873fca520e9d479f2 SHA-256: b7ceeb28a191364fb7ceebdda80b501b2b6e4d328bf1f4713985f485e92d58e4

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, appears to be related to business plans, likely serving as a lure to encourage clicks on the malicious links. The primary heuristic firings indicate a malicious redirector and a link farm strategy.

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=food+business+plan+example+pdf
- http://files.glendaleridingschool.com/uploads/1/3/0/7/130775813/7912317.pdf
- http://files.supercontinent-bp.com/uploads/1/3/1/0/131070011/wokadok.pdf
- http://files.abagaelwest.com/uploads/1/3/2/8/132814048/gidenuzosisuret.pdf
- http://files.thefilamentstudio.com/uploads/1/3/0/7/130739769/wapuwivegub.pdf
- http://files.bryanlinmusic.com/uploads/1/3/0/7/130776046/1d2e8.pdf
- http://files.thefilamentstudio.com/uploads/1/3/0/7/130739769/wapuw
- https://cdn.shopify.com/s/files/1/0431/7446/1594/files/telexivuxapusubozovon.pdf
- https://cdn.shopify.com/s/files/1/0430/8110/5562/files/53840445302.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66456909559.pdf
- https://cdn.shopify.com/s/files/1/0436/7230/5817/files/kukakabalilike.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gabagijujusudizal.pdf
- https://cdn.shopify.com/s/files/1/0434/4443/7142/files/310861055.pdf
- https://cdn.shopify.com/s/files/1/0440/1725/4558/files/dikubimamasowajulizunu.pdf
- https://cdn.shopify.com/s/files/1/0431/5761/8850/files/zakikakovilobifamenak.pdf
- https://cdn.shopify.com/s/files/1/0430/1655/2605/files/38072260141.pdf
- https://cdn.shopify.com/s/files/1/0431/3510/7233/files/nolevonoma.pdf
- https://cdn.shopify.com/s/files/1/0437/8905/8206/files/60566418429.pdf
- https://cdn.shopify.com/s/files/1/0428/7044/0095/files/lipop.pdf
- https://cdn.shopify.com/s/files/1/0430/6475/4325/files/73287279113.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_off00007af7.bin` `358d86889255b31fe52f9ffc3dcd346ec71dbef3797e19e01cdff70f2492c35c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7AF7	5056 bytes
`font_01_sfnt_off00008c0d.bin` `3a8fd39871dd25fa948cb8ca76395647b9c61ca91c144647aa890454c0c20edb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C0D	10088 bytes

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