PDF malware analysis — malicious · cff9c7018fe29602

MALICIOUS

PDF

85.6 KB Created: 2021-02-26 08:16:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07

MD5: b534b3c74139e0f77eb74a476d47419b SHA-1: cd383d0a4acf8aa43eeb3c9dce19baf5176a562f SHA-256: cff9c7018fe2960221940b214f5d3ad7f073cb9e4a7fb52577b1d359eeb58569

134 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple heuristics indicating malicious intent, including PDF_SEO_DISPOSABLE_LINK_FARM and ML_NYX_PDF_MALICIOUS, along with a ClamAV detection for Pdf.Phishing.Trojan. The presence of embedded URLs, such as https://jottigo.ru/wix?keyword=contract+woodland+spirit+pc, suggests an attempt to redirect the user to a malicious site. The SE_URGENCY_LURE heuristic further supports the phishing pretext.

Machine Learning

Nyx PDF Classifier malicious score 0.9992

Heuristics 6

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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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://jottigo.ru/wix?keyword=contract+woodland+spirit+pc PDF link annotation
- https://jupedozezuwobig.weebly.com/uploads/1/3/4/0/134040413/5ad38f939b91.pdfIn PDF document text
- https://lugigotaxur.weebly.com/uploads/1/3/0/9/130969655/a835b79.pdfIn PDF document text
- https://cdn.sqhk.co/gawisibiw/jxggkL2/applocker_whitelist_intune.pdfIn PDF document text
- http://natbeach.space/zomiryqrof.pdfIn PDF document text
- http://arboozfilm.com/haughtiness_crossword_answerskpk5.pdfIn PDF document text
- http://lebepufu.mypressonline.com/nordictrack_c1800_year_made.pdfIn PDF document text
- http://repair-planshetov.ru/1932580992805xag.pdfIn PDF document text
- https://cdn.sqhk.co/wotirixa/Xkpjj9B/zexizixulewovulutis.pdfIn PDF document text
- http://famozosivupiwij.sportsontheweb.net/hunter_x_core_will_not_reset.pdfIn PDF document text
- http://sawemawe.mywebcommunity.org/zoxuvulifukikoze.pdfIn PDF document text
- http://lezeninimi.medianewsonline.com/maytag_quiet_series_100_dishwasher_racks.pdfIn PDF document text
- http://jaralet.getenjoyment.net/rheem_electric_hot_water_tank_prices.pdfIn PDF document text
- https://posuzelivoj.weebly.com/uploads/1/3/4/8/134869480/1390775.pdfIn PDF document text
- https://cdn.sqhk.co/gotakavapu/YESihj4/phone_filters_for_selfies.pdfIn PDF document text
- http://winoraama.site/mean_dreams_movie_parents_guidebq20f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nimuwet/badrinath_movie_tamil_dubbed_hd.pdfIn PDF document text
- http://sirusuve.epizy.com/bypass_frp_1._0_apk.pdfIn PDF document text
- https://s3.amazonaws.com/dinilederu/sinajox.pdfIn PDF document text
- https://s3.amazonaws.com/lewuli/19841802002.pdfIn PDF document text
- https://s3.amazonaws.com/nawosineromigi/etika_komunikasi_di_media_sosial.pdfIn PDF document text
- http://dovobol.epizy.com/rulenezuxibitijogorafixa.pdfIn PDF document text
- https://s3.amazonaws.com/goviwigax/lenovo_y50-80_specs.pdfIn PDF document text
- http://kizebemifovexe.rf.gd/36310850790.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000fcd7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFCD7	5064 bytes
SHA-256: `e77d79bb1b6802d48e1bdc610bc00440baef4376f59c1f3afe98a9821ad9e259`
`font_01_sfnt_off00010e28.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10E28	10484 bytes
SHA-256: `522311c039a36fb0bbad70fe0d5fb81994f34a6242e04dd3fb880b31d3bfa3d8`
`font_02_sfnt_off0001324d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1324D	16092 bytes
SHA-256: `e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848`

Open this report in the interactive analyzer, or submit your own file for analysis.