PDF malware analysis — malicious · 954e6d75b273605d

MALICIOUS

PDF

109.0 KB Created: 2021-07-22 19:07:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 7f3e682e5341cd3f82487927f0cdf830 SHA-1: 515cc85bcbb045a19a81a8ee397bf6ab40d95804 SHA-256: 954e6d75b273605df73168a94e076c6234bf2ebe261c2c647fb368d4ee7f592c

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The sample was identified as malicious by ML classifiers and ClamAV, with a critical detection score. It contains embedded URLs that are likely used to redirect users to malicious sites. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to lure users to external resources, consistent with phishing or malware delivery tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9981

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://feedproxy.google.com/~r/razvivatel/yapz/~3/XMoLd4EPXkg/square?utm_term=dr+liu+oncologist
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e7d16995719b356d9267da/1625805162199/when_can_i_start_birth_control.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ec8c720e7a3c5fba3e12c1/1626115186374/97756668016.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ee5ea06d75c50a5d4612ed/1626234529091/option_writing_intraday_strategy.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f8dc5a4f5bfc186c3f9c23/1626922075028/epilepsy_in_dogs_causes.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f8a82d18640c669172e5d9/1626908717329/nabifojajupomesodudiruf.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e86f137b2085302d90c40f/1625845523414/microbiological_analysis_of_water.pdf
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f61e49d62802464e3abebf/1626742345970/63440267166.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f2670a26c2747482d6611c/1626498826820/supplementary_angles_examples_in_real_life.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f8a7233dc1753e7ba25852/1626908451373/betatapofujubemupad.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e76f2b046c3d00506e9ab7/1625780012337/maths_olympiad_for_class_3_worksheets_free_download.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f8c8f33f3fc43c4a2200f4/1626917107599/primary_data_definition.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60edc31be635d716645ecd6a/1626194715958/find_the_difference_pictures_printable.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e8585b7c4bb72e08d30321/1625839707168/data_flow_diagram_for_pizza_ordering_system.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f9090c2cbef403721e6e42/1626933516189/radivifoxozeg.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f53dd3b282b304dad23450/1626684883699/calculus_placement_test.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f41361c2d40e67ec11cde9/1626608481976/64238378543.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f906be54fb7d30544013c9/1626932927036/what_is_the_answer_in_a_subtraction_problem_called.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ee7a4d114e6b7b7dea4321/1626241614060/15219687512.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f5ef2bc3aabd419c890284/1626730283285/wuramedaxeloxoxugog.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f366264f27972c6041afed/1626564135043/invisible_item_frame_command.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ee58ce6d75c50a5d45a2b8/1626233039006/gogotoxopubotiduku.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f4ade3ec5ad00cc09f4059/1626648035875/dukabevanidusoja.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/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00013460.bin` `5e4c00560aa92e58ed7893f1d29e19bab1551ecfc1a2d4366013d39ff1dff337`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13460	16092 bytes
`font_01_sfnt_off00014999.bin` `066f64dae531461fd0736962d75ad082cdb0446cb687725973c40a904541370d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14999	16948 bytes
`font_02_sfnt_off00017533.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x17533	16792 bytes
`font_03_sfnt_off00018d4a.bin` `d1a1dafe684734c14ab32ee46877d67b90624042c81657dcdfdcffd11be72e2e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x18D4A	10212 bytes

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