PDF malware analysis — malicious · fc475f8c5f9e0fbf

MALICIOUS

PDF

43.7 KB Created: 2020-08-03 00:58:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 414623efd96a2c50186e4921f4957ef1 SHA-1: 5b4deee796b226a52610341cfc78cfa763938303 SHA-256: fc475f8c5f9e0fbfa565fbb23abf746eb569872c8e957f3941ceb10f2e2aa287

160 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a mass of external links, with one specifically pointing to a known malicious redirector at 'https://ttraff.ru/pify?keyword=ap+style+book+pdf'. The heuristic 'SE_PAYMENT_REDIRECT_LURE' indicates the document's content is designed to trick users into believing there are new or changed payment instructions. This suggests a phishing or business email compromise attack. 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.
Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE

Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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.ru/pify?keyword=ap+style+book+pdf
- http://files.sophialove.org/uploads/1/3/1/0/131070588/97b616b5861ef7.pdf
- http://files.jarkoch.com/uploads/1/3/1/4/131406211/a22f228dd.pdf
- http://files.pyropetesfireworks.com/uploads/1/3/0/7/130738512/tutize.pdf
- https://cdn.shopify.com/s/files/1/0429/3446/8774/files/8966386436.pdf
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/kuzanemepa.pdf
- https://cdn.shopify.com/s/files/1/0430/4365/1735/files/99365648733.pdf
- https://cdn.shopify.com/s/files/1/0430/6341/0845/files/cuisinart_ice_cream_maker_recipe.pdf
- https://cdn.shopify.com/s/files/1/0434/0239/5798/files/kenmore_elite_he3.pdf
- https://cdn.shopify.com/s/files/1/0434/7520/6294/files/fesuwuxolin.pdf
- https://cdn.shopify.com/s/files/1/0438/8945/9368/files/fatubenuzoralimegafav.pdf
- https://cdn.shopify.com/s/files/1/0432/2240/1185/files/99321134793.pdf
- https://cdn.shopify.com/s/files/1/0432/3658/9730/files/lekuregezara.pdf
- https://cdn.shopify.com/s/files/1/0440/1584/5541/files/vomalogofawaxesisuzuzef.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_off000060b7.bin` `b3f0467a52c51a91bd847a8698096536b7d6e5831260774f23d9c71f81a75d48`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60B7	4660 bytes
`font_01_sfnt_off000070a5.bin` `52c913658e5d682a1bb4279fc475abfbc221657624f7a5a542467b0f7b60d4cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70A5	10504 bytes
`font_02_sfnt_off0000945d.bin` `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x945D	4324 bytes

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