PDF malware analysis — malicious · 7a9a7aa35d478198

MALICIOUS

PDF

42.0 KB Created: 2020-10-26 10:20:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: 50ef732fb6403db766078179dad14d6d SHA-1: 92c16faafaf91c2672e392d2d1c091cc4a476ecc SHA-256: 7a9a7aa35d4781981ac039bb9609f16b52a8d4b4e18a1dc43ade587b086aeadd

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links, with one prominent URL leading to known malicious redirector infrastructure. The document body, though partially corrupted, suggests a lure related to religious texts to entice users to click the malicious link. The presence of numerous other PDF links, many pointing to benign external sites, indicates a link farm strategy to obscure the malicious destination. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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://cctraff.ru/aws?keyword=al+quran+arabic+with+bangla+meaning+pdf In PDF document text
- https://cdn-cms.f-static.net/uploads/4372982/normal_5f8cf9bd71073.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368781/normal_5f8896289c85b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366627/normal_5f87479addbe1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368770/normal_5f93a4a423f5b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387036/normal_5f8dfe0279f34.pdfIn PDF document text
- https://fekudumubaf.weebly.com/uploads/1/3/2/6/132681201/xuwupemozaximip-rajobunu-nugeneluzota-jukirutaki.pdfIn PDF document text
- https://sozivutapadonen.weebly.com/uploads/1/3/1/1/131164462/pudawewutuneno.pdfIn PDF document text
- https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/59bb2debc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/a09bff49-b57e-4af3-a014-9f71061e41ab/pazurepu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/613cec4e-bdbc-4ffe-8f20-860a1002b7b0/www_i_escolar_com_mural_web_login.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/99d7a8de-b783-4dbb-a64f-e8eb8ed247fe/19331199339.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f15468f-1687-4697-ab3f-fb5c4c0c2966/96488955384.pdfIn PDF document text
- https://s3.amazonaws.com/batoragubukepo/actinometry_in_photochemistry.pdfIn PDF document text
- https://s3.amazonaws.com/kikunojulejuj/tidirogutefotagumuw.pdfIn PDF document text
- https://s3.amazonaws.com/mamukawaxatali/zufabi.pdfIn PDF document text
- https://s3.amazonaws.com/gupuso/18616051013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0484/1714/4989/files/plazma_burst_4_hacked_arcadeprehacks.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0491/7896/8230/files/new_getter_robo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5347/2151/files/haskel_pump_parts_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7105/2703/files/handbook_of_revolutionary_warfare_kwame_nkrumah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0479/3325/9943/files/10981368152.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_off00004de6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4DE6	5736 bytes
SHA-256: `254c64f372fc649c3e77f31a959115093d923ab1e7f8dbcd054f908e2b144c8c`
`font_01_sfnt_off00006142.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6142	10156 bytes
SHA-256: `d9104e3df785e750e846fcbe2ece695bbbd11d57b538630a4b5dda381f34b0d1`
`font_02_sfnt_off0000837a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x837A	16204 bytes
SHA-256: `e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15`

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