PDF malware analysis — malicious · ac27f3370e8f5b79

MALICIOUS

PDF

61.4 KB Created: 2020-08-12 03:26:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 00a6506d59488faaed6e213420711e93 SHA-1: e1aae6dbcdb67d1f6c437f73375a07df8ab9ce48 SHA-256: ac27f3370e8f5b7943976187c1198b34e2af40f0ba60da02bb3f9d4dbe0e675d

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. The primary malicious link, https://ttraff.com/pify?keyword=bukhari+hadith+pdf+in+urdu, is identified as a malicious redirector. This suggests the document's purpose is to redirect the user to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=bukhari+hadith+pdf+in+urdu
- http://files.helveticliving.com/uploads/1/3/1/3/131383580/3737653.pdf
- http://fabivoz.drkeatonspeaceplan.com/uploads/1/3/0/8/130813612/4449725.pdf
- http://files.cattailconstructionllc.com/uploads/1/3/0/7/130776826/pawaxupadobeg-xewisujusirin-fixezenitabavo-luxekixat.pdf
- http://files.fortyhours.com/uploads/1/3/2/8/132816041/63b84266.pdf
- http://files.laspiritualarts.com/uploads/1/3/0/8/130813988/posenesapozosikin.pdf
- https://cdn.shopify.com/s/files/1/0428/4933/7507/files/44028812792.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jedajuzosefowi.pdf
- https://cdn.shopify.com/s/files/1/0445/8790/9284/files/luzovodo.pdf
- https://cdn.shopify.com/s/files/1/0437/7152/7325/files/81945000588.pdf
- https://cdn.shopify.com/s/files/1/0428/5821/7631/files/zaponajuzonite.pdf
- https://cdn.shopify.com/s/files/1/0432/9209/8716/files/loxosonewuvubaze.pdf
- https://cdn.shopify.com/s/files/1/0430/0288/8351/files/south_brunswick_high_school_calendar.pdf
- https://cdn.shopify.com/s/files/1/0427/7967/2735/files/72427538254.pdf
- https://cdn.shopify.com/s/files/1/0434/7530/4612/files/27573614758.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/xufemoralipepojoz.pdf
- https://cdn.shopify.com/s/files/1/0435/4647/6708/files/beyonce_killing_me_softly.pdf
- https://cdn.shopify.com/s/files/1/0434/6278/7237/files/51765070704.pdf
- https://cdn.shopify.com/s/files/1/0436/4982/6969/files/39646092634.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_off0000b4e4.bin` `a7de680ba27ff4389feb8af67df03d984ef978af086e54fe1068076be208f56e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB4E4	5032 bytes
`font_01_sfnt_off0000c603.bin` `0fe31942183a7879dd6eb2a5f856e088bf189ea48e977af2199af0eedfcf7b9b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC603	10120 bytes

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