Malicious PDF — malware analysis report

Static analysis result for SHA-256 325a09b940c4e133…

MALICIOUS

PDF

44.9 KB Created: 2020-08-20 19:25:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45409ca680580cc39553154836a214b4 SHA-1: f7e7106cb8e8042904bddefeb8ea5ddab7a94eb3 SHA-256: 325a09b940c4e133fbbfce6fb119f1fef84d21de544a8a4fbdf4b9ac18b451d4
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a prominent link with the text "Car game hack mod apk" which, when clicked, redirects to a malicious URL. This indicates a social engineering lure to trick users into visiting a potentially harmful site. The PDF also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or redirection strategy. The presence of a malicious redirector link is the primary indicator of malicious intent.

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=car+game+hack+mod+apk
    • http://files.rhallamerican.com/uploads/1/3/1/3/131380616/wusato.pdf
    • http://files.judymlevine.com/uploads/1/3/1/3/131384777/fe6980b43.pdf
    • http://files.nonstopfunsocal.com/uploads/1/3/1/3/131379268/tatav.pdf
    • http://zapak.idealformsnyc.com/uploads/1/3/1/8/131871721/towodefabujet-rabomufalewul.pdf
    • https://cdn.shopify.com/s/files/1/0431/1593/7948/files/min_heap_c.pdf
    • https://cdn.shopify.com/s/files/1/0428/2092/7644/files/38248992277.pdf
    • https://cdn.shopify.com/s/files/1/0429/2732/5343/files/fotujoxewu.pdf
    • https://cdn.shopify.com/s/files/1/0437/9177/7949/files/46169794323.pdf
    • https://cdn.shopify.com/s/files/1/0433/4429/8133/files/12107891112.pdf
    • https://cdn.shopify.com/s/files/1/0438/2470/9782/files/32013585724.pdf
    • https://cdn.shopify.com/s/files/1/0434/0583/6438/files/niluzubovofafavari.pdf
    • https://cdn.shopify.com/s/files/1/0434/5780/6488/files/tokigitigejedovefoniruk.pdf
    • https://cdn.shopify.com/s/files/1/0432/8026/9462/files/australia_calendar_2019.pdf
    • https://cdn.shopify.com/s/files/1/0431/6987/4082/files/magic_item_compendium.pdf
    • https://cdn.shopify.com/s/files/1/0431/2226/2178/files/sonazudeto.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d7d.bin
3a43220712a46c270ad65e131036417739e2697575bcaecb37f73eac0bf52b0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D7D 5248 bytes
font_01_sfnt_off00006f33.bin
798dacb59a0d50372ab5d1298075f0166870d74a53ef36ff231cb6b7bade1018		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F33 10036 bytes
font_02_sfnt_off000091d2.bin
ea75db71c9df7250347a03039f742fcd189f5fc3f08964e696816fa8b5227073		 pdf-font-stream PDF embedded font (sfnt) at offset 0x91D2 16092 bytes

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