PDF malware analysis — malicious · e52148be80ab5950

MALICIOUS

PDF

98.3 KB Created: 2021-03-22 14:25:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02

MD5: f2b013e4e0184f29776b7cefdf9a4ccf SHA-1: 9d3ff241eb45aa8b8d45689b7b0c1cff529ac844 SHA-256: e52148be80ab5950997ca584379857ee689eda8259927f388aeb0fcb9fdc8b86

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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://cdn-cms.f-static.net/uploads/4477408/normal_602407511500e.pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4425908/normal_60553264ec35d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373241/normal_6042da39d0090.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379964/normal_5fd3297e67bb9.pdfIn PDF document text
- https://soxebez.ru/wix?keyword=%25D8%25AA%25D8%25B9%25D9%2584%25D9%258A%25D9%2585+%25D8%25A7%25D9%2584%25D9%2584%25D8%25BA%25D8%25A9+%25D8%25A7%25D9%2584%25D8%25B9%25D8%25B1%25D8%25A8%25D9%258A%25D8%25A9+%25D9%2584%25D8%25BA%25D9%258A%25D8%25B1+%25D8%25A7%25D9%2584%25D9%2586%25D8%25A7%25D8%25B7%25D9%2582%25D9%258A%25D9%2586+%25D8%25A8%25D9%2587%25D8%25A7+%25D8%25A7%25D9%2584%25D9%2586%25D8%25B8%25D8%25B1%25D9%258A%25D8%25A9+%25D9%2588%25D8%25A7%25D9%2584%25D8%25AA%25D8%25B7%25D8%25A8%25D9%258A%25D9%2582+pdfIn PDF document text
- https://soxebez.ru/wix?keyword=%25D8%25AA%25D8%25B9%25D9%2584%25D9%258A%25D9%2585+%25D8%25A7%25D9%2584%25D9%2584%25D8%25BA%25D8%25A9+%25D8%25A7%25D9%2584%25D8%25B9%25D8%25B1%25D8%25A8%25D9%258A%25D8%25A9+%25D9%2584%25D8%25BA%25D9%258A%25D8%25B1+%25D8%25A7%25D9%2584%25D9%2586%25D8%25A7%25D8%25B7%25D9%2582%25D9%258A%25D9%2586+%25D8%25A8%25D9%2587%25D8%25A7+%25D8%25A7%25D9%2584%25D9%2586%25D8%25B8%25D8%25B1%25D9%258A%25D8%25A9+%25D9%2588%25D8%25A7%25D9%2584%25D8%25AA%25D8%25B7%25D8%25A8%25D9%258A%2PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/ginutu/charting_the_outcomes_of_the_match_2019.pdfIn PDF document text
- https://s3.amazonaws.com/gimufesajo/kixerozifunefixoketovesip.pdfIn PDF document text
- https://s3.amazonaws.com/datarofapakil/38602408647.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eaad7c2c-9a78-4f70-bb70-d52b8858c916/zuzoga.pdfIn PDF document text
- https://s3.amazonaws.com/remufuzu/terminator_genisys_full_movie_in_english.pdfIn PDF document text
- https://fe426b01-1dd0-498a-b08e-7ec37e320b94.filesusr.com/ugd/6b45f0_d951bc21bf0c4510a7c307a0a48352db.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wiwuxot/calligraphy_worksheets_for_free.pdfIn PDF document text
- https://s3.amazonaws.com/rewepalazamiso/living_well_pressure_cooker_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f4dc18e-eeaa-484e-8e85-fd7099040b77/tudadukelibubasanigofulat.pdfIn PDF document text
- https://s3.amazonaws.com/gujutavevive/bunuparabotemigasezale.pdfIn PDF document text
- https://c4fca8c4-0f54-45c3-ae88-320069d86c16.filesusr.com/ugd/ac0d21_ee3cbafc1db643fd95b198a2f10e39a4.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vovuzize/dibavexixoxutozo.pdfIn PDF document text
- https://s3.amazonaws.com/lerezazo/memapufejebejejaxujun.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/81d2bbeb-ad09-456e-978b-30ebd3e73361/fisewesorexirakipenum.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_005_off00014103.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x14103	30228 bytes
SHA-256: `7dbad4dfbe91e0d21ee62b9b7fc2b2bb275944c1028c265ed510f4271a16b918`
`font_00_sfnt_off0000f1b6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF1B6	4424 bytes
SHA-256: `2b79dd1b6be00df63ddb56f12636c706c611b15b1850328e9348944e311226e0`
`font_01_sfnt_off000100d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x100D8	10236 bytes
SHA-256: `414cab6f25ad9603b10cc7babc3b5ce02d34c20640c7631980f81498d8a226fb`
`font_02_sfnt_off000123d5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x123D5	18884 bytes
SHA-256: `1718cca2c936598d1b1bf75544d03c25cc24a2d199ed3ae34cfc17628657a239`

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