MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one critical heuristic identifying it as a malicious redirector. The primary link, 'https://ttraff.com/pify?keyword=hydralazine+mechanism+of+action+pdf', is a known malicious redirector. Another heuristic indicates a PDF link farm, with the initial link pointing to a Shopify domain. The document body contains urgency language, suggesting a lure to encourage clicking the malicious link.
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.com/pify?keyword=hydralazine+mechanism+of+action+pdf In PDF document text
- http://files.twobeinchili.com/uploads/1/3/1/4/131438443/1337635.pdfIn PDF document text
- http://files.iwasasleddog.com/uploads/1/3/1/0/131070993/loluzijuwexuje.pdfIn PDF document text
- http://files.kahua-ranch.com/uploads/1/3/1/8/131858975/mifivinusujeges-botijisori-zixemobexubes-rovotojinusax.pdfIn PDF document text
- http://files.a1moments.com.au/uploads/1/3/1/4/131407148/f1cb1e3ca65cf3.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/1/0440/1581/2773/files/jasipib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1220/2389/files/similarities_between_andragogy_and_pedagogy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3213/3278/files/28292451333.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8079/4780/files/feral_tiefling_5e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2588/2518/files/83253986297.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7405/9430/files/28592519691.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1329/7560/files/vedutajufurijekutifidena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8747/0496/files/gijamulikut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3337/9487/files/functional_programming_languages.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9033/7182/files/breast_cancer_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1560/2339/files/20527929618.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000961a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x961A | 5508 bytes |
SHA-256: 2fd3b8e54d82ab68e006f82d38a696869e34dc2592e97efe98b900a53f4f5ad8 |
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font_01_sfnt_off0000a8bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8BF | 11484 bytes |
SHA-256: 23a4936b6e398b895735d72f3f9f53ba580ad14311a3db7c51da6c888b525397 |
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font_02_sfnt_off0000d000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD000 | 16160 bytes |
SHA-256: 298a059a47d04402a822539650cb20f422186273fa20e8de9e2ef64d066f24e9 |
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