PDF malware analysis — malicious · f49568c479fa15c8

MALICIOUS

PDF

15.3 KB Created: 2019-04-30 08:34:58 +01:00 Authoring application: mPDF 5.7 First seen: 2020-12-25

MD5: 80c920672a2fe73f2a1b2389cdd5337d SHA-1: 4a42b06b603b2ab770f8a6afc5b0998b9abe19ce SHA-256: f49568c479fa15c800dbe4771f12a5a74b3684174a875b7bcd4557935b6095cd

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which point to external resources. While the URLs themselves are marked as benign, the sheer volume and the nature of the heuristic suggest an attempt to manipulate search engine rankings or drive traffic to potentially malicious sites. The ML_NYX_PDF_MALICIOUS classifier also flagged the document with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9778

Heuristics 2

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 http://cefasfese.4pu.com/2738735734733731/I-Remember-Nothing-and-Other-Reflections-by-Nora-Ephron.pdf In PDF document text
- http://cefasfese.4pu.com/9738734738734/I-Remember-Nothing-and-Other-Reflections-by-Nora-Ephron.pdfIn PDF document text
- http://cefasfese.4pu.com/3733735730737735/The-Nora-Ephron-Bundle-I-Feel-Bad-About-My-Neck-and-I-Remember-Nothing-by-Nora-Ephron.pdfIn PDF document text
- http://cefasfese.4pu.com/2736731730734734/Wallflower-at-the-Orgy-by-Nora-Ephron.pdfIn PDF document text
- http://cefasfese.4pu.com/2735735737736730/Imaginary-Friends-by-Nora-Ephron.pdfIn PDF document text
- http://cefasfese.4pu.com/2735735733732736/Wallflower-at-the-Orgy-by-Nora-Ephron.pdfIn PDF document text
- http://cefasfese.4pu.com/5732734733734731/Je-ne-me-souviens-de-rien-et-autres-r-miniscences-by-Nora-Ephron.pdfIn PDF document text
- http://cefasfese.4pu.com/4733731733734735/I-Feel-Bad-About-My-Neck-And-Other-Thoughts-On-Being-a-Woman-by-Nora-Ephron.pdfIn PDF document text
- http://cefasfese.4pu.com/8736734732730739/Wat-baal-ik-van-mijn-hals-en-andere-gedachten-over-vrouw-zijn-by-Nora-Ephron.pdfIn PDF document text
- http://cefasfese.4pu.com/8736739736731731/Der-Hals-l-gt-nie-Mein-Leben-als-Frau-in-den-besten-Jahren-by-Nora-Ephron.pdfIn PDF document text
- http://cefasfese.4pu.com/8738732732738/Because-I-Remember-Terror-Father-I-Remember-You-by-Sue-William-Silverman.pdfIn PDF document text
- http://cefasfese.4pu.com/1734734738735734/Remember-When-2-The-Sequel-Remember-Trilogy-2-by-T-Torrest.pdfIn PDF document text
- http://cefasfese.4pu.com/6737733730731/NORA-The-Last-Chronicle-of-Devildom-Vol-6-Nora-6-by-Kazunari-Kakei.pdfIn PDF document text
- http://cefasfese.4pu.com/3738735730730/Remember-Me-Remember-Me-1-3-by-Christopher-Pike.pdfIn PDF document text
- http://cefasfese.4pu.com/3738732736737/Remember-Me-Remember-Me-1-by-Christopher-Pike.pdfIn PDF document text
- http://cefasfese.4pu.com/3731734734739730/Remember-When-Remember-Trilogy-1-by-T-Torrest.pdfIn PDF document text
- http://cefasfese.4pu.com/7735734733731733/Remember-Remember-by-Lynn-Thibodeau.pdfIn PDF document text
- http://cefasfese.4pu.com/3735733737730734/Nora-Nora-by-Anne-Rivers-Siddons.pdfIn PDF document text
- http://cefasfese.4pu.com/1735734737735739/China-Cry-The-Nora-Lam-Story-by-Nora-Lam.pdfIn PDF document text
- http://cefasfese.4pu.com/1735733738736733/A-Cup-of-Tea-by-Amy-Ephron.pdfIn PDF document text

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