MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm for SEO manipulation or to obscure malicious redirects. One critical heuristic identified a direct link to known malicious redirector infrastructure, specifically `https://ttraff.club/wix?keyword=gta+v+mobile+android+apk`, which is presented as a lure for a game download. The document body, though heavily obfuscated, contains this URL, reinforcing the phishing attempt. The presence of numerous other unknown URLs suggests a broader campaign.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.
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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.
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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://ttraff.club/wix?keyword=gta+v+mobile+android+apk In PDF document text
- http://files.sorianojose.com/uploads/1/3/0/7/130740012/kidilu.pdfIn PDF document text
- http://files.twocann.co.uk/uploads/1/3/0/7/130739621/xozubuvewife.pdfIn PDF document text
- http://dapopisen.kmcrisisministry.org/uploads/1/3/1/4/131438216/nurumo.pdfIn PDF document text
- http://xewexog.educationalpsychologisttherapy.com/uploads/1/3/0/8/130813364/9f0456e1a46d.pdfIn PDF document text
- http://files.lighthousekids.com/uploads/1/3/1/3/131379948/lukokixadufib.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://3a7df2eb-aa84-4c53-a89c-b70f4867cf0e.filesusr.com/ugd/bb05c1_4d66f509286848fba33f039e802b4fcd.pdf?index=trueIn PDF document text
- https://3112051f-238a-48f2-95eb-a2c9de593400.filesusr.com/ugd/5c9621_a2c4fe8adaf740f9a438a4a6cf52e1a2.pdf?index=trueIn PDF document text
- https://9b1c99cc-45f9-42de-9abc-cdebd94dfd6c.filesusr.com/ugd/03ae60_defd6915652d4281b92af3060f2463e2.pdf?index=trueIn PDF document text
- https://a4c7aaa5-2229-441c-a4e0-26383a626555.filesusr.com/ugd/d31907_361928b6927c49c5a5a99d76bbbdf0d5.pdf?index=trueIn PDF document text
- https://55f546c3-1608-4a7f-854d-da25d0f129e0.filesusr.com/ugd/8ff694_7514598774794115854e0e5e82eb8516.pdf?index=trueIn PDF document text
- https://d5e62690-e798-4fed-9b85-350444892890.filesusr.com/ugd/3ed902_9da234fbab54422397cc751ae36fdc96.pdf?index=trueIn PDF document text
- https://d85a5163-57ba-4a34-b922-a42e7f117b74.filesusr.com/ugd/0286dd_e5421a3c15a0482da842dd547f592266.pdf?index=trueIn PDF document text
- https://ee54aae4-274c-48d2-ac6f-e4bc8ae69372.filesusr.com/ugd/9e41f0_d55cc347108847ae8f9d2b26fc59b274.pdf?index=trueIn PDF document text
- https://2675014e-77fd-41c7-a3e5-e1732de00727.filesusr.com/ugd/d8966e_cdf2365d4c284238b6840e7de3fe44db.pdf?index=trueIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000721c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x721C | 5220 bytes |
SHA-256: deddf057d8e83e0272f4c1f21889704d0e491a8a33d87006e90bb383e373de49 |
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font_01_sfnt_off000083cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83CC | 10424 bytes |
SHA-256: 0e52cafd2bd63b8ead36e3934bfd2d779e40e9059e01ce44db127d98768f7a54 |
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