MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.ru, which is used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the URL that triggered the redirector heuristic, indicating a lure to a malicious site.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/pify?keyword=critical+thinking+worksheets+for+7th+grade+pdf In PDF document text
- http://files.oceanafamilyliteracy.org/uploads/1/3/1/3/131384638/raguko.pdfIn PDF document text
- http://files.kristinebournemsrn.com/uploads/1/3/2/8/132814024/palazidepote.pdfIn PDF document text
- http://files.torilaynepermanentcosmetics.net/uploads/1/3/1/4/131407952/zugukako.pdfIn PDF document text
- http://files.carolynriker.com/uploads/1/3/0/8/130814644/9761240.pdfIn PDF document text
- http://files.prop1st.com/uploads/1/3/0/9/130969139/tarekidigazoz.pdfIn 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://cdn.shopify.com/s/files/1/0434/8595/4198/files/binks_2001_spray_gun_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/games_bejeweled_2_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2135/3639/files/car_games_video_hd.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9628/0983/files/astounding_science_fiction_october_1953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7616/files/puda_building_bye_laws.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0560/7070/files/44356575871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9453/1484/files/papazulujinudo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5468/5599/files/acid_base_titration_worksheet_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/bazunikonezexamalufir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mulobovapu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3583/6068/files/gepulebofurunuka.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_off000083d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83D6 | 5464 bytes |
SHA-256: 330307dc72a808393f94862d4e6d7661cf02232ed8590dc024bfd50e377cf078 |
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font_01_sfnt_off0000967a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x967A | 10244 bytes |
SHA-256: b17fe9329cd50299ebad9d6d31efbb2ba15e2a350aff80b35bb6d127a4986ec2 |
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font_02_sfnt_off0000b970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB970 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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