MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that redirect to a malicious domain, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, suggests a lure related to TurboTax, aiming to trick users into clicking the malicious link. The PDF_SEO_LINK_FARM heuristic further suggests a large number of similar links are being generated, likely for a broad phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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/wb?keyword=turbotax%20federal%20carryover%20worksheet In PDF document text
- http://files.mslaurenthomas.com/uploads/1/3/0/9/130969689/romuva.pdfIn PDF document text
- http://files.emilyhalbig.com/uploads/1/3/1/3/131398250/nojaxekuwabixoju.pdfIn PDF document text
- http://files.pennjournalconlaw.com/uploads/1/3/2/6/132682694/bawibixijuzawo.pdfIn PDF document text
- http://files.dentalexcellenceindia.com/uploads/1/3/1/3/131380236/1641962.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/1/0431/0243/7527/files/6108864910.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9508/9559/files/70353789796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7620/6240/files/lufesidimerixobakaxeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6710/5687/files/19054018877.pdfIn PDF document text
- https://xetawebogov.files.wordpress.com/2020/06/79977995117.pdfIn PDF document text
- https://xobezamofud688134818.files.wordpress.com/2020/06/41106521433.pdfIn PDF document text
- https://mabaxopol.files.wordpress.com/2020/07/72998160611.pdfIn PDF document text
- https://kegivisoxibu.files.wordpress.com/2020/07/deredugirirewopuwojeku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0611/6511/files/wukatujemeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5676577217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9051/7911/files/9183102460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6078/1465/files/fowotofasepixurave.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2420/3424/files/34773840797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7354/4093/files/kazolubiwesabirewevukilud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9432/4888/files/67691763806.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.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_off00007561.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7561 | 5312 bytes |
SHA-256: ed0f72d119b4e7b115bcf18541c37935ae713ff2a1ea3157807fa60067a6b5c1 |
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font_01_sfnt_off000087a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87A2 | 10564 bytes |
SHA-256: ff08833acb68d24fe03b00173ea466dffffdf64672881a87dd291cedc332dace |
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