PDF malware analysis — malicious · 4d95ee076bb83903

MALICIOUS

PDF

47.9 KB Created: 2020-07-30 05:41:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 41ca1e2de1d7ab3341668ec5e8355629 SHA-1: 9649b964796e322d1e920a16c9a60c05e665b50a SHA-256: 4d95ee076bb839037ef8a62676c3242da32bcdca35c321ff1d132d2593e71763

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, appears to contain text related to the linked content, suggesting a lure to trick users into visiting malicious sites. The presence of numerous external PDF links further supports a link farm or redirection strategy.

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=meiosis+and+mitosis+stages+pdf
- http://files.all4pawsdogrescue.com.au/uploads/1/3/1/4/131455883/9425829.pdf
- http://files.choosebodhi.com/uploads/1/3/1/8/131856498/80b7856f2.pdf
- http://files.artontheriverph.com/uploads/1/3/0/7/130776196/72963364760b.pdf
- http://files.ragdollkittensale.com/uploads/1/3/0/7/130775197/sudavategiduwaz_rusanesosa_dodukijogubalit.pdf
- http://files.washk12internships.org/uploads/1/3/0/7/130775131/2e1a215b1ea3.pdf
- http://files.ragdol
- https://cdn.shopify.com/s/files/1/0430/2707/1130/files/rimopivoveg.pdf
- https://cdn.shopify.com/s/files/1/0432/1532/3291/files/81146367925.pdf
- https://cdn.shopify.com/s/files/1/0429/3584/5017/files/gonesavusuz.pdf
- https://cdn.shopify.com/s/files/1/0433/1637/9816/files/39894740012.pdf
- https://cdn.shopify.com/s/files/1/0430/6891/5863/files/83478600430.pdf
- https://cdn.shopify.com/s/files/1/0429/9672/7962/files/rumejafodamug.pdf
- https://cdn.shopify.com/s/files/1/0438/1261/8400/files/zewadududubukozos.pdf
- https://cdn.shopify.com/s/files/1/0430/1278/4277/files/witupitotusitewuw.pdf
- https://cdn.shopify.com/s/files/1/0433/0553/3604/files/72074055732.pdf
- https://cdn.shopify.com/s/files/1/0427/5165/6102/files/wabupidawitikevagorin.pdf
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/68266842577.pdf
- https://cdn.shopify.com/s/files/1/0433/7382/2102/files/14292473231.pdf
- https://cdn.shopify.com/s/files/1/0431/4929/5770/files/40919195092.pdf
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/90455737021.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_off00007e6f.bin` `b20c530e96457d553a816f5e62f9f7a58a55c400f13877fd77030cd3f8d2b01e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E6F	5024 bytes
`font_01_sfnt_off00008f7f.bin` `7c05fa7d6c4d1bed1aa6950a3ad9c55cc794ece72256aa1500095f6ca1cbb542`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F7F	10084 bytes

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