MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it's a link farm on disposable hosting and contains external URIs. The document body, though heavily obfuscated, suggests a lure related to 'lab topic 5 cellular respiration and fermentation answers'. The presence of external URLs points towards an attempt to redirect the user to malicious content, likely for a phishing or malware download campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
-
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
-
External URI info PDF_URIPDF contains an external URL action
-
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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_URLOne 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://jacksth.ru/wix?keyword=lab+topic+5+cellular+respiration+and+fermentation+answers PDF link annotation
- http://fesalasan.mygamesonline.org/ancient_egyptian_construction_and_architecture.pdfIn PDF document text
- https://bazojosazim.weebly.com/uploads/1/3/6/0/136086377/9226365.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366375/normal_60119893c9aeb.pdfIn PDF document text
- http://zikubuji.iblogger.org/24389913034.pdfIn PDF document text
- http://itdiscounts.info/agent_bhairava_movie_naa_songsm02vs.pdfIn PDF document text
- http://strapslap.online/firekulujepagebim2f0z6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421461/normal_602b6f5e65b6b.pdfIn PDF document text
- https://wonelapafilujol.weebly.com/uploads/1/3/1/6/131606162/948a5a1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368770/normal_6056d4e9d9bc6.pdfIn PDF document text
- https://mejebepagomuda.weebly.com/uploads/1/3/4/4/134494428/3be1442ad909d.pdfIn PDF document text
- http://free-at.pro/zigogonov9hy3z.pdfIn PDF document text
- http://togusavek.22web.org/butexukunada.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488570/normal_605471ffd1337.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420245/normal_605f443a0b179.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370097/normal_5fdad69103c93.pdfIn PDF document text
- http://aycotoro6.xyz/can_you_charge_nimh_battery_with_nicd_chargeroamwh.pdfIn PDF document text
- https://gimoxawoja.weebly.com/uploads/1/3/1/3/131380550/9331222.pdfIn PDF document text
- http://suzofovolavuk.scienceontheweb.net/wakefufufez.pdfIn PDF document text
- https://bigubiforuse.weebly.com/uploads/1/3/5/3/135389938/nilutosos.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://likasiz.epizy.com/organic_chemistry_benzene_reactions.pdfIn PDF document text
- http://guguroguki.rf.gd/lozazusomalixaxixipikaw.pdfIn PDF document text
- http://nokejufesuw.atwebpages.com/windows_server_2012_resource_kit_tools_download.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016023.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16023 | 5480 bytes |
SHA-256: 441097f71fe93cf84bfddaba7b96f711e7aa72497437b4dd3574a83aae75a122 |
|||
font_01_sfnt_off000172b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172B1 | 9792 bytes |
SHA-256: 84f808c4b3839f7c3c3d60f76fc544531fe64d4883564d5f220772422da01192 |
|||
font_02_sfnt_off000193c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x193C8 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.