PDF malware analysis — malicious · 551063991fbcdd6f

MALICIOUS

PDF

42.3 KB Created: 2020-09-13 19:38:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bea9255cf43dfdaade5da97807a62984 SHA-1: 3f2e09ad76bca8d1b9b9adb72c10dac721b83fe4 SHA-256: 551063991fbcdd6fd69fafe4e0e16d769b00ef964f493f230b18d13b7d998914

140 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a link that redirects to malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure related to property searches, potentially leading to a phishing or scam page. The PDF_SEO_LINK_FARM heuristic indicates a large number of generated links, common in SEO poisoning or spam campaigns. The SE_CALLBACK_LURE heuristic further suggests a callback phishing or tech-support scam context.

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.club/wix?keyword=st+charles+county+recorder+of+deeds+property+search
- http://jefixur.reubenblundell.com/uploads/1/3/1/3/131383544/c01ad.pdf
- http://napimi.swbowbenders.com/uploads/1/3/2/3/132303382/tufifefubaxan.pdf
- http://files.oagirlsbasketball.com/uploads/1/3/0/8/130874175/4567476.pdf
- http://files.bigvalleymidwives.com/uploads/1/3/0/7/130739974/rerituxovok.pdf
- https://cdn.shopify.com/s/files/1/0436/3347/5737/files/english_alphabet_learning_book.pdf
- https://cdn.shopify.com/s/files/1/0430/8369/4247/files/free_alphabetical_order_worksheets_for_1st_grade.pdf
- https://cdn.shopify.com/s/files/1/0431/7144/6939/files/24981702409.pdf
- https://cdn.shopify.com/s/files/1/0463/0183/9517/files/the_masked_singer_black_widow_performance.pdf
- https://cdn.shopify.com/s/files/1/0437/2555/3815/files/teaching_strategies_objectives_checklist.pdf
- https://static.usrfiles.com/ugd/b8c837_0e384b9c7a9c4e21b02b4c9a1b75ccd0.pdf
- https://static.usrfiles.com/ugd/b8c837_707dd770c9d44046818d941c272db7f4.pdf
- https://static.usrfiles.com/ugd/0a0016_a1da6da856c143c6b1e299a9fabb8ffc.pdf
- https://static.usrfiles.com/ugd/81ef4b_1b4604a4039f4369b13f13f69251c37f.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_off0000663b.bin` `198cc53b6928834259a2dab97c13f1d17f66a556a99bf85d5927a157a0120cb7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x663B	5448 bytes
`font_01_sfnt_off000078c8.bin` `1265820def2ba56e103667c7822cf88db3b138a6df2b251772dbd0c31aea1f0d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x78C8	10372 bytes

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