Malicious PDF — malware analysis report

Static analysis result for SHA-256 a046ad410a9cf0f9…

MALICIOUS

PDF

43.5 KB Created: 2020-08-01 10:47:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 93905d9c3503da3b85e35f747cb98eb7 SHA-1: 3887224edd9703f3300549ff33bdd8cd62be49c4 SHA-256: a046ad410a9cf0f989d1f6c45acb5e70e75d9893063408b34285963495156920
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic identified a link to a known malicious redirector infrastructure at ttraff.com. This suggests the document is designed to redirect users to malicious sites, likely for phishing or malware distribution. No scripts were extracted from this sample.

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=agm+service+mac
    • http://files.joescottdesigns.com/uploads/1/3/1/0/131069789/revowe_nozimune_newojinawaxupi.pdf
    • http://files.spencerhdesign.com/uploads/1/3/2/6/132681891/1ad6e08cb1554.pdf
    • http://files.artwalkstalbert.com/uploads/1/3/0/9/130969938/weburakoled_bukigojida_woput.pdf
    • http://files.sephanisbetartist.com/uploads/1/3/1/8/131857565/lowuguxozi.pdf
    • https://cdn.shopify.com/s/files/1/0430/1009/7313/files/79034205910.pdf
    • https://cdn.shopify.com/s/files/1/0434/2808/5912/files/wumenakogobegatene.pdf
    • https://cdn.shopify.com/s/files/1/0428/5900/4070/files/lokosabugadozefila.pdf
    • https://cdn.shopify.com/s/files/1/0432/0896/6301/files/wudasudelajepax.pdf
    • https://cdn.shopify.com/s/files/1/0431/5391/6060/files/resadizodi.pdf
    • https://cdn.shopify.com/s/files/1/0434/0567/2597/files/vumenekukikosugebiz.pdf
    • https://cdn.shopify.com/s/files/1/0433/4970/4854/files/lezofitikagogotepojufa.pdf
    • https://cdn.shopify.com/s/files/1/0431/2095/1458/files/82398910563.pdf
    • https://cdn.shopify.com/s/files/1/0437/8758/3650/files/17762985890.pdf
    • https://cdn.shopify.com/s/files/1/0434/1907/4712/files/clicker_heroes_hack_android.pdf
    • https://cdn.shopify.com/s/files/1/0430/4162/0119/files/rigasag.pdf
    • https://cdn.shopify.com/s/files/1/0435/1610/0776/files/ritavakemur.pdf
    • https://cdn.shopify.com/s/files/1/0430/7684/5728/files/89473474382.pdf
    • https://cdn.shopify.com/s/files/1/0435/7105/2703/files/6239097259.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.

FilenameKindSourceSize
font_00_sfnt_off00006b25.bin
4e6439caddc939324f881bdc1028c2a3a7a1ed50ec792f167662bb93c949a4e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B25 5136 bytes
font_01_sfnt_off00007c96.bin
e83319ac175b0c298fc8bac7b09a4ff67050ce460345403d1fa4ae2e7337cfe2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C96 10804 bytes

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