PDF malware analysis — malicious · ec3aca1160fcc911

MALICIOUS

PDF

55.3 KB Created: 2020-07-30 14:56:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8cb795eeae8f34a83af15aa82325a589 SHA-1: cf301753f88bf4e4fc36dc6292cb13e0829c75e0 SHA-256: ec3aca1160fcc911cde096ee938a162d450b88f962f7ae655391c77b2abf88ab

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, suggests a lure related to a 'companion planting chart'. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further 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.ru/pify?keyword=companion+planting+chart+uk+pdf
- http://files.witnesshimnow.com/uploads/1/3/0/7/130775982/c9b315bdd8a.pdf
- http://files.glossopoeist.com/uploads/1/3/0/9/130968996/24e3d18af872.pdf
- http://files.learningspiritsouslamain.com/uploads/1/3/1/6/131606260/batirerokuzezozedi.pdf
- http://files.keithskountrykreations.com/uploads/1/3/1/0/131070051/1551139.pdf
- http://files.worldofgoodtravel.com/uploads/1/3/0/7/130776517/veroduxo_wisebu_babunefowapa.pdf
- http://files.witnesshimnow.com/uploads/1/3/0/7/13077598
- https://cdn.shopify.com/s/files/1/0434/2838/0839/files/41109481754.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vawis.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/temijekozuwoliboxon.pdf
- https://cdn.shopify.com/s/files/1/0432/8715/0752/files/paxisulilekelisijebep.pdf
- https://cdn.shopify.com/s/files/1/0432/5251/4971/files/pewuvugojivojoguten.pdf
- https://cdn.shopify.com/s/files/1/0430/6403/3429/files/35220135329.pdf
- https://cdn.shopify.com/s/files/1/0432/8400/5032/files/27298578129.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80170273674.pdf
- https://cdn.shopify.com/s/files/1/0430/0174/1463/files/47454233289.pdf
- https://cdn.shopify.com/s/files/1/0433/7732/8278/files/ronukabefipifol.pdf
- https://cdn.shopify.com/s/files/1/0434/1104/6556/files/92299689289.pdf
- https://cdn.shopify.com/s/files/1/0432/2125/4312/files/76327955253.pdf
- https://cdn.shopify.com/s/files/1/0430/0632/8985/files/zododot.pdf
- https://cdn.shopify.com/s/files/1/0435/4582/1338/files/23171859741.pdf
- https://cdn.shopify.com/s/files/1/0433/1149/7366/files/komoputevularaxuzuw.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_off00009ab1.bin` `f4a35f7711c13fc4d255dc93938638b1758028fcb04f42852625f59233924e13`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9AB1	5240 bytes
`font_01_sfnt_off0000ac49.bin` `78e0154e8f002541beb1cf205d1404c4a62d3f12037ef88625313bcf569c800f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAC49	10460 bytes

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