PDF malware analysis — malicious · 1a72551976dc340b

MALICIOUS

PDF

43.2 KB Created: 2020-08-05 15:05:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6ec7d6e0cd22f3fc47fac841bec43455 SHA-1: d4e141ef812674c3dcf0d0ef3ff0b4da7b90f15c SHA-256: 1a72551976dc340bcc48f2631ebd99db5c46d036e0341c91c013e7d794a716eb

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a large number of embedded links, a technique often used in SEO link farms to manipulate search engine rankings or to distribute malicious content. One of the primary links, 'https://ttraff.com/pify?keyword=list+of+all+polyatomic+ions+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is the intended destination. The presence of numerous links, including the malicious redirector, indicates a probable phishing or malware distribution attempt.

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=list+of+all+polyatomic+ions+pdf
- http://files.niassestudios.com/uploads/1/3/0/8/130874318/b919e96e4ba.pdf
- http://files.cyspringstheatricalcompany.com/uploads/1/3/2/6/132682134/b8d9a.pdf
- http://files.bezenintdes.net/uploads/1/3/0/7/130776164/5094421.pdf
- https://cdn.shopify.com/s/files/1/0432/1896/0545/files/subidejolezawowafojika.pdf
- https://cdn.shopify.com/s/files/1/0434/2890/5127/files/wironufezurujatolulijomim.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pazutorigixasozesilax.pdf
- https://cdn.shopify.com/s/files/1/0432/4183/2615/files/12622299494.pdf
- https://cdn.shopify.com/s/files/1/0431/6649/8965/files/74055515865.pdf
- https://cdn.shopify.com/s/files/1/0428/2512/1959/files/old_forge_web_cams.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mutim.pdf
- https://cdn.shopify.com/s/files/1/0432/6899/7283/files/22434479256.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
- https://cdn.shopify.com/s/files/1/0429/7719/8229/files/suvodigadebojexug.pdf
- https://cdn.shopify.com/s/files/1/0431/6200/9755/files/46420620761.pdf
- https://cdn.shopify.com/s/files/1/0431/7354/4093/files/sozirejefa.pdf
- https://cdn.shopify.com/s/files/1/0432/6726/0582/files/jagepifirumisukuduludep.pdf
- https://cdn.shopify.com/s/files/1/0430/0177/4233/files/75591698843.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/
- https://cdn.shopify.com/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006a9b.bin` `c40b5d9dd4bbbd6411ef8020abdfead3c00b8ded1476c56601bb45ba3c3bd898`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A9B	5248 bytes
`font_01_sfnt_off00007c75.bin` `09afc06ab3fdf648f0fd46a3dca9ffc65ada1113195f60f613f42986fe835e8b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C75	10176 bytes

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