PDF malware analysis — malicious · f2315554701cd246

MALICIOUS

PDF

45.4 KB Created: 2020-08-21 14:56:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 35bf3f1775688c9fb6a25dbb91cc7f37 SHA-1: e71d6be96b289ed14202b6d2d5bbb2d01d932161 SHA-256: f2315554701cd246f7c1570dcdde0e9e76b8f84136c286dc95c49363a6513b3f

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link redirects to `ttraff.ru`, a known malicious redirector. The document body and heuristics suggest a lure for remote support or callback phishing, aiming to trick the user into interacting with malicious infrastructure. The presence of numerous links, including the malicious redirector, indicates a likely attempt to lead the user to a phishing page or download further malware.

Heuristics 5

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.
Remote-support tool lure high SE_REMOTE_SUPPORT_LURE

Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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.ru/pify?keyword=annual+credit+report+request+form+ftc
- http://puleg.theproevopeople.com/uploads/1/3/1/1/131163599/gevuxesenonasa.pdf
- http://files.ghostinspectors.com/uploads/1/3/1/3/131398323/xowiwetiv-terafozuw.pdf
- https://cdn.shopify.com/s/files/1/0433/6015/7855/files/block_strike_mod_apk_6._2._5.pdf
- https://cdn.shopify.com/s/files/1/0437/5989/4689/files/napebanevo.pdf
- https://cdn.shopify.com/s/files/1/0430/6268/9946/files/dubadopazifazipolojud.pdf
- https://cdn.shopify.com/s/files/1/0434/0622/9654/files/maplelegends_training_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/4627/2162/files/teamviewer_connection_blocked_after_timeout.pdf
- https://cdn.shopify.com/s/files/1/0433/5278/5055/files/28907125894.pdf
- https://cdn.shopify.com/s/files/1/0432/6447/5299/files/man_s_search_for_meaning_summary.pdf
- https://cdn.shopify.com/s/files/1/0428/2092/7644/files/muzanu.pdf
- https://cdn.shopify.com/s/files/1/0428/8649/6415/files/musolibejufe.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_off00007432.bin` `6e8e06c82b01ec8ff5179f4e2695c00c31fa579aad5777fb1315346a8a627199`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7432	5416 bytes
`font_01_sfnt_off00008679.bin` `4cc4385a83d7a76b4c548b5d83bddcd2c65ee223d075f5b6ebf3eeaf44dee1ff`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8679	10180 bytes

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