PDF malware analysis — malicious · b51589a298bb66fd

MALICIOUS

PDF

43.8 KB Created: 2020-08-06 23:38:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 712c8bed251b502e75ada5c73d1e1735 SHA-1: 748954bf68f32a7c3d10530794811b7a9949fca5 SHA-256: b51589a298bb66fd1f0a45c93f6ddbbf4f31435da464ce66ada31643c3588f1c

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to a 'hand car wash business plan pdf' and the malicious URL. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many of which are hosted on Shopify, suggesting a link farm designed to obscure the true malicious destination.

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.com/pify?keyword=hand+car+wash+business+plan+pdf
- http://files.focusfivedesigns.com/uploads/1/3/1/4/131483184/1409704.pdf
- http://files.belantine.com.au/uploads/1/3/2/6/132695391/winurepu-riramanogat.pdf
- http://files.parissouvenirs.com/uploads/1/3/0/7/130739308/mekezexutujogem_xetizuwo.pdf
- https://cdn.shopify.com/s/files/1/0430/9227/9460/files/dagogib.pdf
- https://cdn.shopify.com/s/files/1/0436/1669/8526/files/dibikevedalafasuxuwulipe.pdf
- https://cdn.shopify.com/s/files/1/0447/9621/5456/files/items_physics_mod_1._7._10.pdf
- https://cdn.shopify.com/s/files/1/0432/4425/7442/files/64973225998.pdf
- https://cdn.shopify.com/s/files/1/0431/6302/5559/files/abbyy_transformer_plus_kaufen.pdf
- https://cdn.shopify.com/s/files/1/0430/3775/3501/files/90684765920.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/fifukolibal.pdf
- https://cdn.shopify.com/s/files/1/0433/2388/3688/files/vepimokulumagaxisijijeje.pdf
- https://cdn.shopify.com/s/files/1/0435/2930/6263/files/97408957103.pdf
- https://cdn.shopify.com/s/files/1/0435/2881/4760/files/implement_fizzbuzz_recursively.pdf
- https://cdn.shopify.com/s/files/1/0431/0751/6565/files/60198593287.pdf
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/norumugukuf.pdf
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/lokodonetokifu.pdf
- https://cdn.shopify.com/s/files/1/0430/1009/7313/files/hound_dog_chords.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_off00006c25.bin` `2dd242cdbf17a41bda416d4c859f4fd37ddb2c784baf59bfd5e30d252f92e9e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C25	5436 bytes
`font_01_sfnt_off00007ea9.bin` `39454e88030f5d8b9fc5e9b94e4daebf7a28c65e98bb75309a9fb336880da882`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EA9	10540 bytes

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