MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, many of which point to a link farm designed for SEO manipulation. One of the primary links directs to a known malicious redirector at 'ttraff.ru', suggesting an attempt to lead the user to a malicious site. The presence of a 'download button' heuristic further supports the lure-based attack pattern. No scripts were extracted from this sample.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.ru/wb?keyword=humayun%20nama%20pdf%20free%20download In PDF document text
- http://files.placecraft.net/uploads/1/3/0/7/130775645/aa7ead5c.pdfIn PDF document text
- http://nukeb.thbeautytherapy.com/uploads/1/3/0/7/130739561/nadovexi.pdfIn PDF document text
- http://vifirat.celebratewithstringsattached.com/uploads/1/3/0/8/130874472/sizagozipomotegut.pdfIn PDF document text
- http://files.theartofshade.de/uploads/1/3/1/4/131407802/panerelugubume.pdfIn PDF document text
- http://files.thelumbrosos.com/uploads/1/3/1/4/131438539/xumuraz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7316/6757/files/69422510489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9725/8136/files/conversation_lessons_esl.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/36795870269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7849/2062/files/raxuvowitopowa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6405/7238/files/65539795591.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5066/2053/files/beginner_s_russian_grammar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85947343199.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/doxomibapavep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/test_1879eb6a-339e-4d45-a409-571cd94a4742.pdf?v=1594212285In PDF document text
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/bloom_taxonomy_questions_for_reading_comprehension.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/97246925398.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2106/5640/files/7699265583.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
🗂 Part of campaign:
celebratewithstringsattached.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004dd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DD3 | 5164 bytes |
SHA-256: 32a78ab72a4fc138f3d2d7033491dcba0dc3845b48525797185ad5484251f75c |
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font_01_sfnt_off00005f5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F5E | 5396 bytes |
SHA-256: 1c07a3e58a5012b0cbe5f05abef74578310e9fe076c1f76dac958b76e03208b1 |
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font_02_sfnt_off00007105.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7105 | 10556 bytes |
SHA-256: e1bab0a68f1b62e0a61503e8ba33f883067d9cc02031160698d7245b9a370638 |
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