MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many of which are hosted on Shopify but appear to be part of a link farm. One critical heuristic identified a link to a known malicious redirector infrastructure, which is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains the URL that triggers the redirector, suggesting a lure to download further content or navigate to a malicious site. 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.cc/pify?keyword=nios+admission+form+pdf+2020 In PDF document text
- http://files.earth-protect.org/uploads/1/3/1/0/131070866/lefoz.pdfIn PDF document text
- http://lapoxam.horshamcarwash.net/uploads/1/3/2/6/132682883/539821f81.pdfIn PDF document text
- http://files.leeloosesotericorner.com/uploads/1/3/1/3/131383754/5775597.pdfIn PDF document text
- http://files.literacycenterofharlingen.org/uploads/1/3/1/4/131438667/laferi.pdfIn PDF document text
- http://files.rumah-indonesia.org/uploads/1/3/0/7/130775516/5c4fa49597596.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/1/0434/0970/3061/files/present_continuous_tense_exercises_fill_in_the_blanks.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4443/7144/files/synonyme_finden_bung.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9606/3652/files/lepidezejelaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/7016/5916/files/aesthetic_and_ergonomic_considerations_in_design_of_products.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2214/0070/files/netaperilafozura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1959/9004/files/tikaxifiwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9372/1255/files/tegadukidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8147/9832/files/budaya_kerja_cemerlang.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lozafawofife.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4145/5254/files/62727779355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1966/4542/files/11567699036.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1784/6427/files/cambios_psicolgicos_en_la_adolescencia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5956/0094/files/the_boy_who_cried_wolf.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_off00005ec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EC3 | 5396 bytes |
SHA-256: 2b4c65bd61130147dd32cc26a3c602e48832d2cf3f8a70918b2b6a2c9f49b6a9 |
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font_01_sfnt_off0000710c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x710C | 10040 bytes |
SHA-256: 8ab4f6522af4c52abb85dcd8506a92b05f0b4f41083ab96151013b603df68f07 |
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