PDF malware analysis — malicious · de2ba426bede7302

MALICIOUS

PDF

37.5 KB Created: 2020-08-04 05:08:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6c2b886c7ff5ed973da78bc434bc49fc SHA-1: 48486f2ef0653e312c7368e24612a8698775453b SHA-256: de2ba426bede73022b2073f2619b7965f731907e8f7a25ec459267e3ee259c8d

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for educational content. The primary malicious URL is ttraff.ru, which is used to redirect users to other potentially harmful sites. The presence of numerous links, including one to a known malicious redirector, strongly suggests a phishing or malicious redirection attempt.

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.ru/pify?keyword=present+continuous+tense+exercises+intermediate+pdf
- http://files.projectlittledreams.org/uploads/1/3/1/3/131382721/tikunok.pdf
- http://files.elkfordearlyyears.com/uploads/1/3/1/4/131437453/tumaliriwajit.pdf
- http://files.enablingability.com/uploads/1/3/2/6/132683142/1a304039.pdf
- http://files.laundrydayinc.com/uploads/1/3/0/8/130813732/fijadeno.pdf
- http://files.communicationaactualized.com/uploads/1/3/0/8/130874254/1060423.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16175378270.pdf
- https://cdn.shopify.com/s/files/1/0431/4238/1725/files/bemikexamasudavo.pdf
- https://cdn.shopify.com/s/files/1/0432/2931/5239/files/zigax.pdf
- https://cdn.shopify.com/s/files/1/0432/6345/9496/files/v_belt_cross_reference.pdf
- https://cdn.shopify.com/s/files/1/0431/4192/2977/files/37380037943.pdf
- https://cdn.shopify.com/s/files/1/0433/1021/9432/files/lidefilikupaz.pdf
- https://cdn.shopify.com/s/files/1/0429/9345/1159/files/fonizedotawupomorovak.pdf
- https://cdn.shopify.com/s/files/1/0433/0189/6347/files/56094786798.pdf
- https://cdn.shopify.com/s/files/1/0430/9581/8404/files/roveku.pdf
- https://cdn.shopify.com/s/files/1/0429/3358/4035/files/honeywell_th4110d1007_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/1726/3510/files/moboximopikexa.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/40750702090.pdf
- https://cdn.shopify.com/s/files/1/0432/7879/4920/files/vijogusubivu.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_off0000546d.bin` `f2f7d023b479eb2d8988fcc7d4b164e8a38cd2f0daf173ecc681efe1dda09fc5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x546D	5336 bytes
`font_01_sfnt_off00006685.bin` `96862ecee5748c8419f858171f191bbfade608dcd28e220beb2edd1df42a0add`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6685	10012 bytes

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