PDF malware analysis — malicious · eb218c1b2cfb277c

MALICIOUS

PDF

57.5 KB Created: 2020-10-26 09:31:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: 41bbd0371bb51f9645fc8933a2bc1312 SHA-1: 24566fbe0201a914f39c86ae3680ef4e619df3f6 SHA-256: eb218c1b2cfb277c84847c6b32f4c099a979a78e75cd0545d900964fa70688c1

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a heuristic firing for malicious redirector links, pointing to 'https://gettraff.ru/pify?keyword=x+ray+camera+download+apps+android'. The document body, though heavily obfuscated, contains a similar string, suggesting a lure for users to click the malicious link. The presence of numerous benign-looking PDF links in the document suggests a link farm SEO tactic to improve the ranking of the malicious redirector.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
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://gettraff.ru/pify?keyword=x+ray+camera+download+apps+android In 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
- https://s3.amazonaws.com/tobobowu/arithmetic_sequence_practice_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/wonoti/crisc_exam_prep_course.pdfIn PDF document text
- https://s3.amazonaws.com/roxawo/78268708258.pdfIn PDF document text
- https://s3.amazonaws.com/henghuili-files2/64619714741.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/agile_project_management_examples.pdfIn PDF document text
- https://s3.amazonaws.com/zuxadol/gixilawupozexalabop.pdfIn PDF document text
- https://s3.amazonaws.com/henghuili-files/blood_type_a_positive_diet.pdfIn PDF document text
- https://s3.amazonaws.com/julaxel/35507020803.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/gevosafalolizesemejisow.pdfIn PDF document text
- https://s3.amazonaws.com/midaguvimabof/blank_sheet_music_free.pdfIn PDF document text
- https://s3.amazonaws.com/kavitokolezub/29619618482.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/84632331607.pdfIn PDF document text
- https://s3.amazonaws.com/jubiferekaka/alice_in_wonderland_short_story_with_pictures.pdfIn PDF document text
- https://s3.amazonaws.com/rufonali/stopping_by_woods_on_a_snowy_evening_lesson_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0863/8632/files/91265836584.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8411/1267/files/jumikodamexalav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0497/3900/6113/files/immersion_rc_receiver_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2536/6165/files/jedubitipuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/0036/4693/files/wozapisamawufonigami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0499/8289/8326/files/casio_water_resistant_5_bar_illuminator_manuals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6676/9058/files/tojuzurenesanat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0502/1673/0799/files/97513331893.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0476/9228/4070/files/danirujepunidivatex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0499/4351/1195/files/polovanulozufulepefik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2060/6885/files/mary_b_lewis_elementary_school_haunted.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9737/5388/files/setojubazilukizativuzig.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_off00009336.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9336	5096 bytes
SHA-256: `cdd4726edf2ac7b201902b67fef3193a6815a63264acdfcf261eced768eafe29`
`font_01_sfnt_off0000a46f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA46F	11084 bytes
SHA-256: `f8e0fe667555426588f2e9afa9b61f5e69b2d617a491a811d8d1562c87569e99`
`font_02_sfnt_off0000c9cb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC9CB	4324 bytes
SHA-256: `ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230`

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