PDF malware analysis — malicious · 3c3e53c1e49299f2

MALICIOUS

PDF

38.7 KB Created: 2020-08-07 20:26:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c3aa2c324cfc9a07a52bb3fafc10baf5 SHA-1: dbf825536225437659fa1ee17e9c89995bec204f SHA-256: 3c3e53c1e49299f2b0dbd77dfb27386335083d9246643093776d34b1b6215241

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a malicious redirector link disguised as a 'Manorama calendar 2020 pdf download' lure. It also exhibits characteristics of a PDF SEO link farm, embedding numerous external links, with the primary malicious link pointing to a redirector. The presence of a visual download button further supports the deceptive nature of the document.

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=manorama+calendar+2020+pdf+download
- http://files.nmffa.org/uploads/1/3/0/9/130969819/deniz.pdf
- http://wedotavis.ires-8.com/uploads/1/3/2/7/132710712/tarakoruriso.pdf
- http://files.southshoreguttermonkeys.com/uploads/1/3/0/7/130775448/13573.pdf
- http://files.farragutrobotics.org/uploads/1/3/0/9/130969485/vefujumopar.pdf
- https://cdn.shopify.com/s/files/1/0435/5224/3861/files/gamuziralorenuvuzoboguwez.pdf
- https://cdn.shopify.com/s/files/1/0428/3006/9927/files/26820657307.pdf
- https://cdn.shopify.com/s/files/1/0432/3937/5012/files/dituwiwem.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wekisod.pdf
- https://cdn.shopify.com/s/files/1/0432/6332/8411/files/53343212565.pdf
- https://cdn.shopify.com/s/files/1/0436/4946/6526/files/47421758256.pdf
- https://cdn.shopify.com/s/files/1/0430/9906/2421/files/varapirugixapixexir.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/mepogo.pdf
- https://cdn.shopify.com/s/files/1/0427/9202/6271/files/7160087702.pdf
- https://cdn.shopify.com/s/files/1/0433/4511/7342/files/jutivuketomoxapeliruvu.pdf
- https://cdn.shopify.com/s/files/1/0435/4326/5434/files/80689572819.pdf
- https://cdn.shopify.com/s/files/1/0434/0131/4454/files/rovamijetivesad.pdf
- https://cdn.shopify.com/s/files/1/0433/6910/3528/files/86712766123.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_off00005900.bin` `344030942751af472cc8e70d8591bff0d06b709445dc514f2d03110b3c4ca653`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5900	5492 bytes
`font_01_sfnt_off00006bb7.bin` `c5db49f4ffac2c274669fc91ed85f69abf1d749ca112b4b073949c1165d74961`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BB7	10084 bytes

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