PDF malware analysis — malicious · ff70e2939f927ca1

MALICIOUS

PDF

41.1 KB Created: 2020-08-16 21:20:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9ba6be5d2e82f78d207b3995cb50d4b8 SHA-1: 00e90a25fbc4d0785bdcec1d37ca1fee78f7dd22 SHA-256: ff70e2939f927ca1cd8cd2afecc37814202866af2513d12f9d60d2ab5f426bb4

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised as a fire extinguisher manual. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=amerex+fire+extinguisher+pdf which is flagged as malicious. Additionally, the PDF includes a large number of external links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The presence of a callback lure heuristic further supports a phishing or scam attempt.

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.com/pify?keyword=amerex+fire+extinguisher+pdf
- http://jijiza.mafinga.com/uploads/1/3/0/9/130969600/sigudiwibupasavovo.pdf
- https://cdn.shopify.com/s/files/1/0432/3472/1959/files/download_mtg_arena.pdf
- https://cdn.shopify.com/s/files/1/0429/6320/6307/files/kexenulagulagilekalun.pdf
- https://cdn.shopify.com/s/files/1/0429/9200/9365/files/upper_intermediate_reading_comprehension_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/6706/4998/files/95460060842.pdf
- https://cdn.shopify.com/s/files/1/0435/3789/1482/files/roll20_grid_size.pdf
- https://cdn.shopify.com/s/files/1/0430/4879/6309/files/13740083259.pdf
- https://cdn.shopify.com/s/files/1/0433/6209/1167/files/woranagino.pdf
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/43787072159.pdf
- https://cdn.shopify.com/s/files/1/0433/5009/8085/files/gufodaneg.pdf
- https://cdn.shopify.com/s/files/1/0431/2704/6301/files/wasurutagiro.pdf
- https://cdn.shopify.com/s/files/1/0430/9663/7597/files/vazegej.pdf
- https://cdn.shopify.com/s/files/1/0449/1198/4795/files/chakra_meditation_techniques.pdf
- https://cdn.shopify.com/s/files/1/0437/7785/1550/files/business_english_conversation_practice.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_off000061d0.bin` `767922b7ce545cd13a7ad9ef6543d42339ebfceb2bcd9862d328948baba796da`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61D0	5268 bytes
`font_01_sfnt_off00007397.bin` `3768a08c368339d89f261542e8aef14c6a52916124bd1bb814ddc0f510f8a263`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7397	10676 bytes

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