PDF malware analysis — malicious · 215b0d636ef4aa00

MALICIOUS

PDF

65.6 KB Created: 2020-10-26 16:51:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-26

MD5: ba110f4ccf70666c196b9fe7a7df7f37 SHA-1: c3a9c519dc5f9b5968d75f7445340b5c5290c2a8 SHA-256: 215b0d636ef4aa007169fbb637161935e147ae63dd582def571a79eda7b464c1

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, ttraff.ru, which is likely used to host or redirect to a malicious payload. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'program type already present'. The presence of numerous external links, including a link farm, further suggests malicious intent for SEO manipulation or traffic 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://ttraff.ru/123?keyword=program+type+already+present+android.support.v4.os.resultreceiver In PDF document text
- https://zukamukenipebo.weebly.com/uploads/1/3/1/3/131380388/7250537.pdfIn PDF document text
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/5065528.pdfIn PDF document text
- https://sifizebutu.weebly.com/uploads/1/3/0/8/130814914/benofewotadogo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369936/normal_5f8a41db03987.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388820/normal_5f8f04f91ee79.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366031/normal_5f96b6599358e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408323/normal_5f96934a984d1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366980/normal_5f94ee71a2945.pdfIn PDF document text
- http://www.opentle.orgIn 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/06705582-42ce-4792-bd97-6930e721b1a3/harry_potter_peliculas_en_espaol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d8bf0ff-cef8-42fa-96e4-5ee7c13e72d7/mastering_qlikview_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e9f7f67-e642-427a-8873-55e35988c15b/zawokezepipe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f24fd001-bf47-484e-b665-b50aa8bca322/gofonusiminosotadap.pdfIn PDF document text
- https://s3.amazonaws.com/pazifetanegapu/34047539167.pdfIn PDF document text
- https://s3.amazonaws.com/tapexiw/history_of_byzantine_architecture.pdfIn PDF document text
- https://s3.amazonaws.com/daselex/78296301856.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/8658/7078/files/from_what_text_is_in_adams_fall_we_sinned_all_taken.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3357/5075/files/wiborakegibuwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/3645/4307/files/projection_of_lines_questions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dcb92830-265d-44d6-beb9-53f73e527a5c/11420107231.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a0c6c2c-afc7-4518-a31b-8dd4e5097ef8/tuxedizokesetitunapu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afe5f410-cc93-4d0d-afbf-8136ae077cad/comment_faire_de_lalcool_avec_des_fruits.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/58661dae-6929-4cc5-b0d6-57e924d26a3b/33207247761.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://www.gnu.org/licenses/gpl.htmlIn 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
`stream_005_off0000a80c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xA80C	13980 bytes
SHA-256: `46b6b371bbc780066a5703128767ddfb97e8f572ae7bd5016ba3f5edb3038b5d`
`font_00_sfnt_off000094c5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94C5	5676 bytes
SHA-256: `b17a19333e0e435a5f9bc0f7263cf3e6809d6439f05497904153398e7ba7683a`
`font_02_sfnt_off0000cfa6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCFA6	11660 bytes
SHA-256: `42eb1ecdcb17bf0545972a1342a220673530ca3919f6df752940a7714857129d`

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