PDF malware analysis — malicious · 47df5b879ac722b5

MALICIOUS

PDF

50.1 KB Created: 2020-08-10 00:40:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 49ad20784e2a276f92df94900b84d193 SHA-1: ecb6d66ecc88643b74b3487c92582e72d41eec39 SHA-256: 47df5b879ac722b53c98cd57dad0983ee61e52f5a9932faa1584f29f49cb042f

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure at https://ttraff.com/pify?keyword=flutter+auricular+pdf. This suggests the document is designed to redirect users to malicious content. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, indicates a potential link farm or SEO poisoning attempt to increase visibility and traffic to the malicious redirector.

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=flutter+auricular+pdf
- http://files.southfloridaavenuechurchofchrist.com/uploads/1/3/1/0/131071157/rubevaxevovabe.pdf
- http://files.jeffcomorotary.org/uploads/1/3/1/4/131483217/5020c1e36327.pdf
- http://files.phantom-quartz.com/uploads/1/3/0/7/130775654/d1e0060fb1dc9.pdf
- https://cdn.shopify.com/s/files/1/0443/2723/9836/files/eyes_text_symbol.pdf
- https://cdn.shopify.com/s/files/1/0430/2117/2897/files/mimebidoresofonez.pdf
- https://cdn.shopify.com/s/files/1/0431/5725/8395/files/85839223499.pdf
- https://cdn.shopify.com/s/files/1/0432/6657/2443/files/71961072804.pdf
- https://cdn.shopify.com/s/files/1/0433/9056/6556/files/biodegradable_plastic_bags_manufacturing_process.pdf
- https://cdn.shopify.com/s/files/1/0438/3476/9568/files/biology_project_12th.pdf
- https://cdn.shopify.com/s/files/1/0432/8390/6724/files/8386987011.pdf
- https://cdn.shopify.com/s/files/1/0437/3184/5271/files/lajajonenalir.pdf
- https://cdn.shopify.com/s/files/1/0437/8850/1143/files/76407271138.pdf
- https://cdn.shopify.com/s/files/1/0435/7367/4142/files/bumetisivegifurobef.pdf
- https://cdn.shopify.com/s/files/1/0430/6403/3429/files/64352954853.pdf
- https://cdn.shopify.com/s/files/1/0450/4734/9406/files/breastfeeding_diet.pdf
- https://cdn.shopify.com/s/files/1/0431/4536/3610/files/zasosevinumezawuneligipi.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/1/0430/2117/2897/files/mimebido

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000087bc.bin` `54ae003824f537035b7c2b957633805a1d2464f64a7307426903daea04299a09`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87BC	4924 bytes
`font_01_sfnt_off00009890.bin` `390f14d9d1305dadb79ae2da063a34d4e064d3cd465662bf1d8bf378cac3d61d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9890	10168 bytes

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