PDF malware analysis — malicious · 474abd7f6a74018c

MALICIOUS

PDF

62.3 KB Created: 2020-08-25 01:21:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 915c79a162eba196cf471c91ff18db71 SHA-1: 676fd09d20443226afff8de785dffb698d2be169 SHA-256: 474abd7f6a74018cea5a14d878263fe4f2de28b3cc826a04c619c220f6719ee5

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The document body, though heavily obfuscated, contains the same URL. This URL is likely used to redirect the user to a malicious site, potentially for phishing or malware delivery. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to increase visibility of the malicious content.

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=ganpati+aarti+marathi+song
- http://nesafoto.dynamoclean.co.uk/uploads/1/3/0/7/130740074/aa4bc46.pdf
- http://files.afcointl.com/uploads/1/3/2/6/132682813/runaxojerunidax.pdf
- http://files.divinelyguidedhealing.com/uploads/1/3/2/8/132814611/9513328.pdf
- https://cdn.shopify.com/s/files/1/0431/9130/4343/files/top_github_users.pdf
- https://cdn.shopify.com/s/files/1/0429/1903/5033/files/96441084383.pdf
- https://cdn.shopify.com/s/files/1/0429/5848/7703/files/dezijagoxudutaxoru.pdf
- https://cdn.shopify.com/s/files/1/0434/7504/2457/files/jozaxuvefuketafevufafater.pdf
- https://cdn.shopify.com/s/files/1/0433/0301/0459/files/galaxy_j2_play_store.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mokotutirajozejimus.pdf
- https://cdn.shopify.com/s/files/1/0430/2117/2897/files/android_7._1_software_apk.pdf
- https://cdn.shopify.com/s/files/1/0428/0716/5095/files/23103052322.pdf
- https://cdn.shopify.com/s/files/1/0431/7777/1162/files/17714781190.pdf
- https://cdn.shopify.com/s/files/1/0436/8993/5002/files/sevolo.pdf
- https://cdn.shopify.com/s/files/1/0430/4614/2114/files/tesuxukinidekikutimixab.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39843759369.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/
- https://cdn.shopify.com/s/files/1/0431/7777/1162/files/17714781190

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000a166.bin` `4b87b2b75eadec9560d45749cbc8e8a9231da033b8dee14c0943dd34d59b9d81`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA166	4904 bytes
`font_01_sfnt_off0000b1d6.bin` `73a6eab39b5d59c96bad0ead1a639accfcfc3055b572ab7806ad7e41cbd5edd1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB1D6	14192 bytes
`font_02_sfnt_off0000de4f.bin` `0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE4F	4324 bytes

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