PDF malware analysis — malicious · d9885fa991c102a1

MALICIOUS

PDF

34.5 KB Created: 2020-08-03 00:25:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c164b42edca98ab36dc71304ace3847f SHA-1: 746702cdd29a69bd7bf35f16f874055d1b6258c0 SHA-256: d9885fa991c102a1aae67a88a22cc88fd3eff70aad70086df7e91fe68b11783c

140 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a specific redirector URL, indicating a likely phishing or scam attempt. The document body, though heavily obfuscated, contains the target URL and keywords related to Craigslist, reinforcing the lure. The presence of multiple embedded links to external PDFs, some hosted on Shopify, suggests an attempt to distribute malicious content or redirect users to malicious sites.

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=craigslist+org+rochester+ny
- http://files.rotboxrustorations.com/uploads/1/3/1/3/131397987/2849910.pdf
- http://files.j-6forge.com/uploads/1/3/0/8/130874304/290f7d384ca5.pdf
- http://files.hkssdebating.com/uploads/1/3/2/8/132814476/6418385.pdf
- https://cdn.shopify.com/s/files/1/0428/8138/4604/files/10128938913.pdf
- https://cdn.shopify.com/s/files/1/0431/7931/1253/files/25921462978.pdf
- https://cdn.shopify.com/s/files/1/0437/4459/2021/files/pogixefa.pdf
- https://cdn.shopify.com/s/files/1/0435/3097/7431/files/298648014.pdf
- https://cdn.shopify.com/s/files/1/0432/8911/6836/files/dadixipefakotax.pdf
- https://cdn.shopify.com/s/files/1/0433/1392/2206/files/rexawijowep.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pigirerunozekolufis.pdf
- https://cdn.shopify.com/s/files/1/0433/7175/7718/files/9258940519.pdf
- https://cdn.shopify.com/s/files/1/0435/2560/3488/files/15825435442.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/nuwezipiraxanetunazinemi.pdf
- https://cdn.shopify.com/s/files/1/0430/7730/4484/files/40487041578.pdf
- https://cdn.shopify.com/s/files/1/0432/4474/8950/files/17475691934.pdf
- https://cdn.shopify.com/s/files/1/0437/6608/7838/files/wiwobomadumowo.pdf
- https://cdn.shopify.com/s/files/1/0433/0523/8692/files/rewaxonoladudizetexi.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_off00004b28.bin` `0da643901f42653b2ffba06a7b033751bae0cf325d751899d98d197b7e040d2f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4B28	5068 bytes
`font_01_sfnt_off00005c62.bin` `130091a46774c58c012cbc244a14d2810c1cdf2341f851047bdc61c2e3fe7d09`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C62	9476 bytes

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