PDF malware analysis — malicious · 49b65380051854cd

MALICIOUS

PDF

59.7 KB Created: 2020-08-03 17:33:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9c1500a5054f898c50515dfc423c9942 SHA-1: d6dec51c31c3188262224b8b4b5b7179892acbb1 SHA-256: 49b65380051854cd797556c771690215a24519f2c11e47b8ba95ec8029ab4b6a

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains multiple heuristics indicating malicious intent, including a link to a known malicious redirector and a large number of external PDF links, suggesting a link farm. The document body, though heavily obfuscated, contains a URL that aligns with the redirector heuristic. The presence of a callback lure further supports a phishing or scam pretext. The primary attack pattern involves redirecting the user to a malicious site via the embedded link.

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.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
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=eccentric+training+pdf
- http://files.dare2bu.ca/uploads/1/3/1/3/131383892/fufogobazi-bakonolat-fogovemi-voxaz.pdf
- http://files.beeldstaal.com/uploads/1/3/1/4/131437530/zadukavoxined-detakasatofusa-sazojo.pdf
- http://files.mybridgefilms.com/uploads/1/3/0/7/130775014/jegudinem.pdf
- https://cdn.shopify.com/s/files/1/0429/8529/1937/files/puvukemivejokazufovofegad.pdf
- https://cdn.shopify.com/s/files/1/0434/4587/8941/files/zadakujufuz.pdf
- https://cdn.shopify.com/s/files/1/0429/8797/8913/files/56753473922.pdf
- https://cdn.shopify.com/s/files/1/0429/9338/5633/files/vikenuxamexuwe.pdf
- https://cdn.shopify.com/s/files/1/0432/8436/5476/files/joxikejex.pdf
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/musujemodazu.pdf
- https://cdn.shopify.com/s/files/1/0430/7438/8119/files/jasef.pdf
- https://cdn.shopify.com/s/files/1/0431/4326/6458/files/20062885603.pdf
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/dnd_4e_monster_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/7014/4166/files/dolalefilakutovatotinasaw.pdf
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/dotuwufanipetufedugoj.pdf
- https://cdn.shopify.com/s/files/1/0428/8384/2215/files/java_circular_buffer.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/f

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000a5bb.bin` `31ecd38beb21dd1e4f555ad2b26668a587c37ab581fd0514060a8103274771cb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA5BB	5068 bytes
`font_01_sfnt_off0000b716.bin` `616f9f2d33000a2ab6f4e9033a0d29aa4471d533ee4435582966f2f38ee03fb9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB716	13348 bytes

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