PDF malware analysis — malicious · a6747c44bdc8f593

MALICIOUS

PDF

102.6 KB Created: 2020-08-12 03:05:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7e73565b8ab25cc60d518ac8f9ee0a84 SHA-1: a8d2ee6a22597929cde82f68012f3fe05f11b930 SHA-256: a6747c44bdc8f5934d9d730ad122f2ca82331105533acc49559b6952a326124b

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous links, including one pointing to a known malicious redirector at 'https://ttraff.cc/pify?keyword=nymphaeaceae+family+pdf'. This suggests a phishing or scam attempt, likely to redirect the user to a malicious site. The document body, though heavily obfuscated, contains the same URL, reinforcing its malicious intent. The presence of many external links, including benign ones hosted on Shopify, indicates a link farm strategy to improve search engine ranking or distribute malicious content.

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.cc/pify?keyword=nymphaeaceae+family+pdf
- http://files.collagen.solutions/uploads/1/3/1/4/131454345/sezotato.pdf
- http://files.marksoftime.com/uploads/1/3/0/7/130775795/dunubo.pdf
- http://zetob.wcrwestmichigan.com/uploads/1/3/2/8/132814930/24f54ef55554770.pdf
- http://files.tsidieselworxparts.com/uploads/1/3/0/8/130814475/dd034a.pdf
- http://julip.mariapiotrowska.com/uploads/1/3/1/8/131857631/fikewedigoziso.pdf
- https://cdn.shopify.com/s/files/1/0431/8206/3777/files/45470548213.pdf
- https://cdn.shopify.com/s/files/1/0433/4957/3784/files/ca_ipcc_law_amendments_for_may_2020.pdf
- https://cdn.shopify.com/s/files/1/0434/6304/9376/files/brche_ordnen_aufgaben.pdf
- https://cdn.shopify.com/s/files/1/0432/7417/4622/files/madukaziludima.pdf
- https://cdn.shopify.com/s/files/1/0432/1165/3282/files/97367332366.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75555741983.pdf
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/59896754847.pdf
- https://cdn.shopify.com/s/files/1/0428/8937/9993/files/stuart_fishing_reports.pdf
- https://cdn.shopify.com/s/files/1/0429/9456/5271/files/how_to_find_final_temperature.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0001350d.bin` `24a551d29e968d22f5a9d630a3db290879cae6681736422ea2716a825b0550a3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1350D	4684 bytes
`font_01_sfnt_off000144fc.bin` `ce8c906d0b615d02f804ba35538723f31f3bcd22089f6fe71aa6ee48f2482dea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x144FC	10696 bytes
`font_02_sfnt_off000169ae.bin` `ff430b11a8d17d420935ba1df5c0023e02d7a8943065c92946ec535e67d4a50a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x169AE	16136 bytes
`font_03_sfnt_off00017e99.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x17E99	4324 bytes

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