MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file contains multiple heuristics indicating malicious intent, including redirection to known malicious infrastructure and a lure consistent with credential phishing or MFA harvesting. The document body, though heavily obfuscated, contains URLs that are also present in the heuristics, suggesting a pattern of linking to external resources. The presence of numerous PDF links, many pointing to Shopify domains, indicates a link farm designed to obscure the ultimate destination.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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=android+file+transfer+to+iphone In PDF document text
- http://files.fellowshipwesleyanchurch.org/uploads/1/3/1/3/131380107/90058.pdfIn PDF document text
- http://fetig.cherryhillspeech.com/uploads/1/3/1/0/131070761/fd1575f0f71.pdfIn PDF document text
- http://bedesum.meganwestman.com/uploads/1/3/0/9/130969953/binazedulok.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/1/0439/1947/4856/files/hiv_testing_guidelines_kenya.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6264/7192/files/81865518827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4641/1160/files/31189557923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7623/1063/files/71084129394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0455/8488/files/35970897915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12729031526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2741/2645/files/construction_methods_and_management_8th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0881/0398/files/50828542005.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7592/0282/files/8876166894.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2426/6917/files/msrtc_advertisement.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4647/8758/files/28605337278.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2538/2051/files/zajalubivepakolefu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3794/1160/files/56900133428.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_off00006463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6463 | 5120 bytes |
SHA-256: 48df88a894f4939bde4924977875aa9047e7cd70f557f8aad7aa7d8d09bef1a0 |
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font_01_sfnt_off000075bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75BD | 10356 bytes |
SHA-256: 3340f952f1e7deb5a032f585f9f8ab6d7ecc73f575057ccb89cbd22b5f383463 |
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