MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
T1204.002 Malicious Link
The PDF contains embedded JavaScript and a critical heuristic firing for a malicious redirector link. The document body text, though heavily obfuscated, contains a URL that appears to be a lure for a PDF reader, aligning with the 'SE_INVOICE_LURE' heuristic. The primary malicious URL, 'https://ttraff.cc/pify?keyword=lightest+pdf+reader+for+android', is likely used to redirect the user to a malicious site. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to distribute the malicious PDF.
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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.cc/pify?keyword=lightest+pdf+reader+for+android In PDF document text
- http://files.pathwayworship.net/uploads/1/3/1/6/131606174/2228182.pdfIn PDF document text
- http://files.theohanadivecompany.com/uploads/1/3/1/3/131380850/5339a97182b360f.pdfIn PDF document text
- http://tesije.republicoftexans.com/uploads/1/3/2/6/132682076/runatenegegorew.pdfIn PDF document text
- http://zabipa.motivcanada.com/uploads/1/3/1/3/131380600/a2d28.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/1/0431/5811/0363/files/61317182314.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6055/1070/files/etica_nicomaquea_politica_aristoteles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1423/4017/files/74348928141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7430/6727/files/54329148688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/72158481518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9252/3675/files/alienware_area_51m_specs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0046/1474/files/2329431581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0152/6948/files/pathfinder_scaled_fist.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4012/files/englisch_aufgaben_klasse_6.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3880/2073/files/24291566870.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7881/1810/files/strider_beverly_cleary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1705/2053/files/use_ps3_controller_on_mac.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C86 | 5212 bytes |
SHA-256: 1d670285d0017ad39b7fd8ed2627e5bcdef34ba4f87df88be9ab4f6b3040acea |
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font_01_sfnt_off00007e45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E45 | 10400 bytes |
SHA-256: 13581d03236470beccfbb1f64f506ff1dcbf2f6ed985d463fec401e7f55b7f3d |
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