PDF malware analysis — malicious · 98039c76a9bfb599

MALICIOUS

PDF

49.0 KB Created: 2020-08-14 17:16:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b618d46b8b920045559932f46ab5bd5d SHA-1: 6c2ba4ff44690a28bf1ebd3269b3f51f093e6a1f SHA-256: 98039c76a9bfb599af43bd94cab9636513b3939ac16bc6bbc7b4b9faf5c5abed

140 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a link farm and a redirector to malicious infrastructure, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the lure text 'Cinema 4d journey course free' and the malicious URL. The presence of numerous external PDF links suggests an attempt to manipulate search engine results or distribute further malicious content.

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.cc/pify?keyword=cinema+4d+journey+course+free
- http://files.wordisart.com/uploads/1/3/0/9/130968921/2694075.pdf
- http://files.christianchurchinwv.org/uploads/1/3/1/3/131379340/girexela.pdf
- https://cdn.shopify.com/s/files/1/0429/1634/8071/files/pro_rata_allotment_of_shares.pdf
- https://cdn.shopify.com/s/files/1/0431/1767/4656/files/xotab.pdf
- https://cdn.shopify.com/s/files/1/0448/0958/4802/files/86781313303.pdf
- https://cdn.shopify.com/s/files/1/0435/5194/8963/files/miromalul.pdf
- https://cdn.shopify.com/s/files/1/0433/8915/7532/files/95666558823.pdf
- https://cdn.shopify.com/s/files/1/0431/9412/2400/files/harmonic_and_anharmonic_oscillator.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xiguxalenagidofivixonagez.pdf
- https://cdn.shopify.com/s/files/1/0434/7772/9432/files/rem_vs_em.pdf
- https://cdn.shopify.com/s/files/1/0431/0361/7173/files/nuvezopovuja.pdf
- https://forums.androidcentral.com/showthread.php?t=658885&amp;s=64d0cd5b8eadd8f04e7fc7b4f73d0f6c
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- https://forums.androidcentral.com/showthread.php?t=658885&amp;amp;s=64d0cd5b8eadd8f04e7fc7b4f73d0f6c
- 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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007540.bin` `d07b8d6796e28422e87eddbebf29975b512777555dc175b40f13f6021a259e7b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7540	5228 bytes
`font_01_sfnt_off000086f2.bin` `e4643754f9fd175be29d6dfe4aaf6b1e2e72234953fe22ee38fc994220c85fb0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86F2	9980 bytes
`font_02_sfnt_off0000a927.bin` `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA927	4324 bytes

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