PDF malware analysis — malicious · 93f4720ef5624910

MALICIOUS

PDF

37.8 KB Created: 2020-08-21 23:49:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7f507c029241edfb87a9cb4c64fce555 SHA-1: 515d1adc6f7c6a4f9f0a692ea8d43aaba22a7c4e SHA-256: 93f4720ef5624910808004501387c846afd6d7b2163ec5a8a458bcbe480929ac

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One critical heuristic identified a link to known malicious redirector infrastructure at `https://ttraff.cc/pify?keyword=belajar+excel+2007+untuk+pemula+pdf`. The document body, though heavily obfuscated, contains this URL and other PDF links, suggesting a lure to download further content. The presence of a link farm and a malicious redirector indicates a phishing or malware distribution 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.cc/pify?keyword=belajar+excel+2007+untuk+pemula+pdf
- http://files.fresnobridge.com/uploads/1/3/1/3/131383247/xitonanog.pdf
- http://files.celebelle.com/uploads/1/3/1/1/131163774/luwesimo_mawateni.pdf
- http://files.sonnetaccountants.co.uk/uploads/1/3/2/6/132683330/3185836.pdf
- https://cdn.shopify.com/s/files/1/0434/2503/8497/files/muzukowiwep.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/69318986007.pdf
- https://cdn.shopify.com/s/files/1/0429/9633/4753/files/73282013353.pdf
- https://cdn.shopify.com/s/files/1/0430/8012/2532/files/29942895680.pdf
- https://cdn.shopify.com/s/files/1/0433/5498/0505/files/sojutufigidunixel.pdf
- https://cdn.shopify.com/s/files/1/0429/0763/1779/files/20472940818.pdf
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/87902285193.pdf
- https://cdn.shopify.com/s/files/1/0430/4653/5322/files/difference_between_aliphatic_and_aromatic.pdf
- https://cdn.shopify.com/s/files/1/0437/5930/4858/files/manimurelavego.pdf
- https://cdn.shopify.com/s/files/1/0434/0334/6078/files/45732835371.pdf
- https://cdn.shopify.com/s/files/1/0430/7543/6698/files/953be8fc5154015699eb6c9b08748c6c.pdf
- https://cdn.shopify.com/s/files/1/0437/7539/3946/files/kaleshwaram_project_map.pdf
- https://cdn.shopify.com/s/files/1/0435/1423/3000/files/bizukuxexit.pdf
- https://cdn.shopify.com/s/files/1/0438/6367/0944/files/todane.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_off0000557d.bin` `d466032c1df07a054f1f163eb00947f3471cc455366d7ce3db4b492b26978609`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x557D	5736 bytes
`font_01_sfnt_off000068fa.bin` `bb9b1f9327bcb3c6798ed8ac0f01c8c5204a531cba6fe153605b03557f2cfb5e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x68FA	9712 bytes

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